Edit
Horizon (TV Series 1964– ) Poster

(1964– )

Full Cast & Crew

Series Directed by 

Stuart Harris ... (9 episodes, 1974-1983)
Nikki Stockley ... (8 episodes, 1999-2013)
Peter Leonard ... (8 episodes, 2006-2016)
Fisher Dilke ... (7 episodes, 1981-1990)
David Stewart ... (7 episodes, 2012-2015)
James Burge ... (6 episodes, 1983-1992)
Paul Olding ... (6 episodes, 2004-2008)
Rob Liddell ... (6 episodes, 2007-2010)
Tristan Quinn ... (6 episodes, 2010-2016)
Christopher Sykes ... (5 episodes, 1981-1993)
Sophie Robinson ... (5 episodes, 2008-2013)
Oliver Bootle ... (5 episodes, 2011-2014)
Toby MacDonald ... (5 episodes, 2012-2015)
Liz Tucker ... (4 episodes, 1998-2003)
Johanna Gibbon ... (4 episodes, 2002-2005)
Nicola Cook ... (4 episodes, 2006-2011)
Annabel Gillings ... (4 episodes, 2006-2011)
Naomi Austin ... (4 episodes, 2008-2015)
Emma Jay ... (4 episodes, 2008-2011)
Dan Walker ... (4 episodes, 2009-2010)
Ben Lawrie ... (4 episodes, 2011-2012)
Helen Sage ... (4 episodes, 2012-2014)
Jonathan Renouf ... (3 episodes, 2000-2003)
Nick Davidson ... (3 episodes, 2001-2006)
Dan Clifton ... (3 episodes, 2003-2013)
Milla Harrison-Hansley ... (3 episodes, 2005-2014)
Alicky Sussman ... (3 episodes, 2005-2009)
Dick Taylor ... (3 episodes, 2006-2010)
Michael Lachmann ... (3 episodes, 2008-2014)
Charles Colville ... (3 episodes, 2009-2013)
Stephen Cooter ... (3 episodes, 2009-2010)
Kate Dart ... (3 episodes, 2012-2013)
Mick Jackson ... (2 episodes, 1974-1987)
Cynthia Page ... (2 episodes, 1979-2006)
John Lynch ... (2 episodes, 1980-1993)
Andrew Millington ... (2 episodes, 1983-1985)
Martin Freeth ... (2 episodes, 1984-1994)
Max Whitby ... (2 episodes, 1984-1991)
Penny Cherns ... (2 episodes, 1986)
Hilary Henson ... (2 episodes, 1986)
Adam Bullimore ... (2 episodes, 1995-1998)
Ben Fox ... (2 episodes, 1999-2012)
Philip Martin ... (2 episodes, 1999-2002)
David Sington ... (2 episodes, 2002-2004)
Aidan Laverty ... (2 episodes, 2003-2005)
Emma Sutton ... (2 episodes, 2006-2009)
Graham Hoyland ... (2 episodes, 2007)
Diene Petterle ... (2 episodes, 2008-2009)
Mark Radice ... (2 episodes, 2009-2016)
Paul King ... (2 episodes, 2009-2013)
Helen Shariatmadari ... (2 episodes, 2009-2011)
Alex Steinitz ... (2 episodes, 2009-2010)
Diana Ellis-Hill ... (2 episodes, 2012)
Penny Palmer ... (2 episodes, 2014-2015)
Anthony Isaacs ... (1 episode, 1969)
Brian Gibson ... (1 episode, 1974)
Peter Jones ... (1 episode, 1976)
Tony Edwards ... (1 episode, 1978)
Dick Gilling ... (1 episode, 1979)
Christopher La Fontaine ... (1 episode, 1983)
John Stratford ... (1 episode, 1983)
Barrie Whatley ... (1 episode, 1983)
John Ross ... (1 episode, 1985)
Geoff Harris ... (1 episode, 1987)
Ian Duncan ... (1 episode, 1991)
Celia Lowenstein ... (1 episode, 1992)
Sheila Hayman ... (1 episode, 1993)
Mike Rossiter ... (1 episode, 1994)
John Edginton ... (1 episode, 1995)
David Malone ... (1 episode, 1995)
Vivienne King ... (1 episode, 1996)
Simon Singh ... (1 episode, 1996)
Malcolm Clark ... (1 episode, 1998)
Bryn Higgins ... (1 episode, 1998)
Denman Rooke ... (1 episode, 1998)
Vyv Simson ... (1 episode, 1998)
Lara Hannay ... (1 episode, 2000)
Steve Ruggi ... (1 episode, 2000)
Charlie Smith ... (1 episode, 2000)
James Younger ... (1 episode, 2000)
Chris Durlacher ... (1 episode, 2001)
Jemima Harrison ... (1 episode, 2001)
Karen Kelly ... (1 episode, 2001)
Thecla Schreuders ... (1 episode, 2001)
Andrew Thompson ... (1 episode, 2001)
David Belton ... (1 episode, 2002)
Garfield Kennedy ... (1 episode, 2002)
Sean Smith ... (1 episode, 2004)
Duncan Copp ... (1 episode, 2005)
Nick Green ... (1 episode, 2005)
William Hicklin ... (1 episode, 2005)
Nigel Paterson ... (1 episode, 2005)
Andy Robbins ... (1 episode, 2006)
Mark Everest ... (1 episode, 2007)
Stuart Everett ... (1 episode, 2007)
Gideon Bradshaw ... (1 episode, 2008)
James Van Der Pool ... (1 episode, 2008)
Damon Thomas ... (1 episode, 2009)
Dan Child ... (1 episode, 2010)
Dan Kendall ... (1 episode, 2010)
Peter Oxley ... (1 episode, 2010)
Sue Learoyd ... (1 episode, 2011)
Nick Clarke Powell ... (1 episode, 2011)
Matthew Dyas ... (1 episode, 2012)
Gaby Hornsby ... (1 episode, 2012)
Naomi Law ... (1 episode, 2012)
Graeme McAulay ... (1 episode, 2012)
Kenny Scott ... (1 episode, 2012)
Tim Usborne ... (1 episode, 2012)
Suzy Boyles ... (1 episode, 2013)
Ben Finney ... (1 episode, 2013)
John Fothergill ... (1 episode, 2013)
Helen Nixon ... (1 episode, 2013)
Graham Strong ... (1 episode, 2013)
Jeff Wilkinson ... (1 episode, 2013)
Daniel Barry ... (1 episode, 2014)
Mark Bates ... (1 episode, 2014)
Ed Booth ... (1 episode, 2014)
Rebecca Harrison ... (1 episode, 2014)
Alex Hearle ... (1 episode, 2014)
Chris O'Donnell ... (1 episode, 2014)
Mike Radford ... (1 episode, 2014)
Guy Smith ... (1 episode, 2014)
Ben Wilson ... (1 episode, 2014)
David Briggs ... (1 episode, 2015)
Serena Davies ... (1 episode, 2015)
Graham Russell ... (1 episode, 2015)
Sophie Todd ... (1 episode, 2015)
Simon Winchcombe ... (1 episode, 2015)
Liz Clare ... (1 episode, 2016)
Nic Young ... (1 episode, 2016)
Bill Eagles ... (uncredited) (1 episode, 1997)

Series Writing Credits  

Barbara Altounyan ... (1 episode, 1995)
Naomi Austin ... (2 episodes, 2010-2012)
Michael Barnes ... (2 episodes, 1972-1976)
Matthew Barrett ... (1 episode, 2001)
Robin Bates ... (1 episode, 1975)
Martin Belderson ... (1 episode, 1997)
Oliver Bootle ... (2 episodes, 2011-2013)
Louise Bourner ... (1 episode, 2009)
Gideon Bradshaw ... (1 episode, 2008)
Michael Bray ... (2 episodes, 1986)
Robin Brightwell ... (1 episode, 1976)
Helen Britton ... (1 episode, 2006)
James Burge ... (6 episodes, 1983-1992)
Deborah Cadbury ... (4 episodes, 1994-1998)
Peter Ceresole ... (2 episodes, 1992-1993)
Malcolm Clark ... (4 episodes, 1998-2005)
Dan Clifton ... (3 episodes, 2003-2013)
Andrew Cohen ... (2 episodes, 2000-2003)
Nicola Cook ... (1 episode, 2005)
Julia Cort ... (1 episode, 2004)
Ian Curteis ... (1 episode, 1971)
Kate Dart ... (2 episodes, 2012-2013)
Nick Davidson ... (5 episodes, 2001-2007)
Stephen Davis ... (1 episode, 1984)
Fisher Dilke ... (1 episode, 1980)
David Dugan ... (1 episode, 1990)
Robert Eagle ... (1 episode, 2000)
Bill Eagles ... (1 episode, 1997)
John Edginton ... (1 episode, 1995)
Tony Edwards ... (1 episode, 1978)
Sophie Elwin-Harris ... (1 episode, 2004)
Mark Everest ... (1 episode, 2007)
Katharine Everett ... (2 episodes, 1993)
Stuart Everett ... (1 episode, 2007)
Dominic Flessati ... (1 episode, 1980)
Jill Fullerton-Smith ... (1 episode, 1998)
Dick Gilling ... (1 episode, 1979)
Annabel Gillings ... (3 episodes, 2003-2009)
Edward Goldwyn ... (3 episodes, 1978-1986)
Peter Goodchild ... (1 episode, 1998)
Nick Green ... (3 episodes, 2003-2004)
Tim Haines ... (4 episodes, 1993-1997)
Chris Hale ... (2 episodes, 1994-2000)
Geoff Harris ... (1 episode, 1987)
Stuart Harris ... (9 episodes, 1974-1983)
Milla Harrison-Hansley ... (1 episode, 2006)
Mark Hedgecoe ... (2 episodes, 2000)
Zoe Heron ... (3 episodes, 2000-2002)
William Hicklin ... (1 episode, 2004)
Jackie Higgins ... (5 episodes, 2003-2006)
Sarah Holt ... (1 episode, 2003)
W.G. Hoskins ... (1 episode, 1972)
Teresa Hunt ... (2 episodes, 1993-2002)
Jeremy Hylton Davies ... (2 episodes, 2005)
Mick Jackson ... (1 episode, 1974)
Emma Jay ... (1 episode, 2010)
Brian Johnson ... (1 episode, 1984)
Dan Kendall ... (2 episodes, 2004-2010)
Simon Lamb ... (1 episode, 1992)
Aidan Laverty ... (2 episodes, 2004)
Ben Lawrie ... (3 episodes, 2011-2012)
Sue Learoyd ... (4 episodes, 1999-2003)
Peter Leonard ... (4 episodes, 2006-2010)
Bettina Lerner ... (2 episodes, 1992-1993)
Nigel Levy ... (1 episode, 2002)
Rob Liddell ... (2 episodes, 2007-2010)
Thomas Lucas ... (1 episode, 2004)
John Lynch ... (2 episodes, 1993-1996)
John M. Mansfield ... (1 episode, 1973)
Graham Massey ... (1 episode, 1975)
Andrew Millington ... (2 episodes, 1983-1985)
Elaine Morgan ... (1 episode, 1974)
Michael Mosley ... (1 episode, 1994)
Colin Murray ... (3 episodes, 2003-2005)
William Nicholson ... (1 episode, 1987)
Alec Nisbett ... (3 episodes, 1983-1994)
Bruce Norman ... (1 episode, 1973)
Sanjida O'Connell ... (1 episode, 2004)
Paul Olding ... (3 episodes, 2005-2008)
Jon Palfreman ... (2 episodes, 1983-1993)
Adrian Pennink ... (2 episodes, 2001-2003)
Diene Petterle ... (1 episode, 2009)
Tristan Quinn ... (2 episodes, 2010-2011)
Jonathan Renouf ... (3 episodes, 2000-2003)
Christopher Riley ... (1 episode, 1988)
Sam Roberts ... (2 episodes, 1998-2001)
Sophie Robinson ... (3 episodes, 2008-2011)
Stephen Rose ... (2 episodes, 1976-1982)
John Ross ... (1 episode, 1985)
Mike Rossiter ... (1 episode, 1994)
Kenny Scott ... (1 episode, 2012)
Helen Shariatmadari ... (2 episodes, 2009-2011)
Kim Shillinglaw ... (1 episode, 2003)
Vyv Simson ... (1 episode, 1998)
David Sington ... (3 episodes, 1992-2005)
Jacqueline Smith ... (3 episodes, 1999-2001)
David Stewart ... (2 episodes, 2012-2013)
Nikki Stockley ... (4 episodes, 2007-2011)
David Strahan ... (1 episode, 2004)
John Stratford ... (1 episode, 1983)
Christopher Sykes ... (1 episode, 1992)
Jeremy Taylor ... (1 episode, 1987)
Andrew Thompson ... (1 episode, 2006)
Mike Tomlinson ... (1 episode, 1993)
Liz Tucker ... (4 episodes, 1998-2003)
Patrick Uden ... (1 episode, 1981)
James Van Der Pool ... (1 episode, 2006)
Dan Walker ... (1 episode, 2010)
James Watson ... (1 episode, 1987)
Jack Weber ... (1 episode, 1992)
Barrie Whatley ... (1 episode, 1983)
Nathan Williams ... (4 episodes, 2002-2005)
Martin Wilson ... (1 episode, 2002)

Series Cast  

Paul Vaughan ...
 Himself - Narrator / ... (135 episodes, 1968-2013)
Jack Fortune ...
 Himself - Narrator (31 episodes, 1989-2006)
Dilly Barlow ...
 Herself - Narrator (31 episodes, 1999-2005)
...
 Himself - Narrator (17 episodes, 1980-1990)
...
 Himself - Narrator (15 episodes, 1974-2008)
...
 Himself - Narrator (14 episodes, 2001-2011)
...
 Himself - Narrator (15 episodes, 2007-2014)
...
 Himself - Narrator / ... (9 episodes, 1988-1996)
...
 Himself - Narrator / ... (8 episodes, 1984-2004)
...
 Herself - Narrator / ... (8 episodes, 2008-2015)
...
 Herself - Narrator / ... (8 episodes, 2010-2013)
...
 Herself - Narrator / ... (8 episodes, 1999-2008)
Michael Mosley ...
 Himself - Presenter / ... (7 episodes, 2012-2014)
...
 Himself - Narrator / ... (7 episodes, 1987-1995)
...
 Herself - Narrator / ... (7 episodes, 1987-2005)
...
 Himself - Presenter / ... (7 episodes, 2002-2014)
Seth Lloyd ...
 Himself / ... (7 episodes, 2006-2015)
Ray Moore ...
 Himself - Narrator / ... (7 episodes, 1977-1984)
Peter Wilson ...
 Himself - Narrator (7 episodes, 1981-1984)
...
 Himself - City University of New York / ... (7 episodes, 2002-2012)
...
 Himself - Narrator (6 episodes, 1994-1998)
Aden Gillett ...
 Himself - Narrator (6 episodes, 1999-2003)
Veronika Hyks ...
 Herself - Narrator (6 episodes, 1991-1996)
...
 Himself - Narrator (6 episodes, 2008-2009)
Kevin Fong ...
 Himself - Presenter / ... (6 episodes, 2010-2015)
...
 Himself - Narrator (6 episodes, 1998-2016)
...
 Himself - Presenter / ... (6 episodes, 2009-2013)
Max Tegmark ...
 Himself - Massachusetts Institute of Technology / ... (6 episodes, 2008-2015)
Jo Unwin ...
 Herself - Narrator (5 episodes, 1996-1998)
...
 Himself - Narrator (5 episodes, 2000-2010)
...
 Himself - Presenter / ... (5 episodes, 2005-2009)
Saul Perlmutter ...
 Himself / ... (5 episodes, 1999-2012)
Jim Al-Khalili ...
 Himself - Presenter / ... (5 episodes, 2011-2013)
Christopher Chataway ...
 Himself - Commentator / ... (5 episodes, 1967-1968)
Alexander John ...
 Himself - Narrator / ... (5 episodes, 1980-1993)
Tony Britton ...
 Himself - Narrator / ... (5 episodes, 1978-1980)
Bill McGuire ...
 Himself / ... (5 episodes, 2000-2005)
...
 Herself - Presenter (4 episodes, 2011-2014)
Duncan Carse ...
 Himself - Narrator (4 episodes, 1972-1980)
Peter France ...
 Himself - Narrator / ... (4 episodes, 1983-1986)
Richard Dawkins ...
 Himself / ... (4 episodes, 1986-2008)
Susan Jebb ...
 Herself / ... (4 episodes, 2002-2014)
Carlos Frenk ...
 Himself / ... (4 episodes, 1991-2015)
Lee Silver ...
 Himself / ... (4 episodes, 1997-2005)
...
 Himself - Narrator (3 episodes, 1990)
...
 Herself - Narrator (3 episodes, 1998-2006)
...
 Himself - Narrator (3 episodes, 1999-2006)
...
 Himself - Narrator (3 episodes, 2002-2014)
...
 Himself - Narrator (3 episodes, 2002-2006)
...
 Himself - Narrator (3 episodes, 2006-2012)
Liz Bonnin ...
 Herself - Presenter / ... (3 episodes, 2012-2014)
John Marsden ...
 Himself - Narrator / ... (3 episodes, 2008-2009)
Helen Czerski ...
 Herself / ... (3 episodes, 2012-2014)
James Gould ...
 Himself - Presenter / ... (3 episodes, 1986-1990)
...
 Herself - Narrator / ... (3 episodes, 1999-2002)
Peter Jones ...
 Himself - Narrator / ... (3 episodes, 1980-1990)
Neil Turok ...
 Himself / ... (3 episodes, 2002-2010)
Richard Feynman ...
 Himself (3 episodes, 1964-1988)
William Franklyn ...
 Himself - Commentator / ... (3 episodes, 1974-1978)
Frank Gillard ...
 Himself - Narrator / ... (3 episodes, 1975-1976)
Paul Daneman ...
 Himself - Narrator (3 episodes, 1976-1987)
Peter Schultz ...
 Himself - Brown University (3 episodes, 1997-2013)
Keith Campbell ...
 Himself / ... (3 episodes, 1997-2005)
Ken Feder ...
 Himself (3 episodes, 1999-2002)
Philip Currie ...
 Himself / ... (3 episodes, 2000-2007)
French Anderson ...
 Himself / ... (3 episodes, 2000-2005)
Monica Grady ...
 Herself / ... (3 episodes, 2001-2013)
Susan Hough ...
 Herself / ... (3 episodes, 2003-2011)
Mark Boslough ...
 Himself - Sandia National Laboratories / ... (3 episodes, 2006-2013)
Anthony Aguirre ...
 Himself - University of California, Santa Cruz (3 episodes, 2010-2015)
David Spiegelhalter ...
 Himself - University of Cambridge / ... (3 episodes, 2010-2014)
Marek Kukula ...
 Himself - Royal Observatory Greenwich (3 episodes, 2013-2015)
Bob Symes ...
 Himself - Presenter (2 episodes, 1982-1985)
Gerda Stevenson ...
 Jane Bailey (2 episodes, 1986)
Philip Tibenham ...
 Himself - Narrator (2 episodes, 1991-1992)
Claire Walmsley ...
 Herself - Narrator (2 episodes, 1992-1994)
Susan Rae ...
 Herself - Narrator (2 episodes, 1994-1995)
Nigel Le Vaillant ...
 Himself - Narrator (2 episodes, 1997)
...
 Herself - Narrator (2 episodes, 1998-2002)
...
 Herself - Narrator (2 episodes, 1999-2014)
Amanda Burton ...
 Herself - Narrator (2 episodes, 2003-2005)
Melissa Berry ...
 Herself - Narrator (2 episodes, 2005-2006)
...
 Himself - Presenter (2 episodes, 2006-2008)
...
 Himself - Narrator (2 episodes, 2006)
Alisdair Simpson ...
 Himself - Narrator (2 episodes, 2007)
Michael Portillo ...
 Himself - Presenter (2 episodes, 2008-2009)
...
 Himself - Presenter (2 episodes, 2009-2010)
...
 Himself - Narrator (2 episodes, 2010-2014)
...
 Himself - Narrator (2 episodes, 2011-2012)
Amanda Drew ...
 Herself - Narrator (2 episodes, 2014)
...
 Himself - Presenter (2 episodes, 2009)
Michael Bray ...
 Andrew Bailey (2 episodes, 1986)
Gillian Hanna
(2 episodes, 1986)
Stafford Gordon
(2 episodes, 1986)
Matyelok Gibbs
(2 episodes, 1986)
David Gillies
(2 episodes, 1986)
Lesley Joseph
(2 episodes, 1986)
Mike Disney ...
 Himself / ... (2 episodes, 1990-2006)
David Lutyens ...
 Himself / ... (2 episodes, 1964-1966)
...
 Herself - Narrator (2 episodes, 1975-1978)
Mike Leahy ...
 Himself / ... (2 episodes, 2003-2009)
...
 Himself - Narrator / ... (2 episodes, 2006)
Paul Nurse ...
 Himself - Presenter / ... (2 episodes, 2008-2011)
...
 Niels Bohr / ... (2 episodes, 1971-1992)
David Nutt ...
 Himself - Imperial College London / ... (2 episodes, 2008-2009)
Hugh Lewis ...
 Himself - University of Southampton / ... (2 episodes, 2013-2015)
John Bradshaw ...
 Himself - University of Bristol (2 episodes, 2013)
...
 Maurice Wilkins / ... (2 episodes, 1987-1988)
Alex Filippenko ...
 Himself / ... (2 episodes, 1999-2009)
Joseph Giaime ...
 Himself / ... (2 episodes, 2008-2010)
Sarah Ellis ...
 Herself - University of Lincoln (2 episodes, 2013)
Riccardo Giacconi ...
 Himself - Director, Space Telescope Science Institute / ... (2 episodes, 1984-1990)
Alan Wilson ...
 Himself - Structure & Motion Lab, Royal Veterinary College (2 episodes, 2013)
Andrea Ghez ...
 Herself - UCLA / ... (2 episodes, 2000-2013)
John Maggorian ...
 Himself - Nuker Team / ... (2 episodes, 2000-2013)
Jeff Hester ...
 Himself / ... (2 episodes, 1990-2000)
Mark Burchell ...
 Himself - University of Kent Canterbury / ... (2 episodes, 2006-2015)
R. Buckminster Fuller ...
 Himself (2 episodes, 1964-1996)
Dudley Foster ...
 Father / ... (2 episodes, 1966-1970)
James Watson ...
 Himself (2 episodes, 1974-2008)
John Ostrom ...
 Himself - Yale University (2 episodes, 1976-1998)
...
 Himself - Narrator (2 episodes, 1977-1978)
Martin Freeth ...
 Himself - Commentator (2 episodes, 1978)
Vernon Joyner ...
 Himself - Commentator / ... (2 episodes, 1979)
Anthony Smith ...
 Himself - Narrator / ... (2 episodes, 1980-1991)
Margaret Howard ...
 Herself - Narrator (2 episodes, 1981)
James Curran ...
 Himself (2 episodes, 1983-2000)
...
 Himself - Narrator (2 episodes, 1983-1984)
Robert Gallo ...
 Himself (2 episodes, 1986-2003)
William Haseltine ...
 Himself (2 episodes, 1986-2000)
Colin Renfrew ...
 Himself / ... (2 episodes, 1986-1999)
Richard O. Covey ...
 Himself - Discovery's Pilot / ... (2 episodes, 1987-1988)
Nigel Franks ...
 Himself - University of Bath / ... (2 episodes, 1990-2012)
Don Huffman ...
 Himself / ... (2 episodes, 1992-1996)
Andy Kaldor ...
 Himself / ... (2 episodes, 1992-1996)
Harry Kroto ...
 Himself / ... (2 episodes, 1992-1996)
Rick Smalley ...
 Himself / ... (2 episodes, 1992-1996)
Gerald Edelman ...
 Himself (2 episodes, 1994-2008)
...
 Himself (2 episodes, 1996-2005)
Everett Gibson ...
 Himself / ... (2 episodes, 1996-2001)
Alan Hildebrand ...
 Himself - Geological Survey of Canada / ... (2 episodes, 1997-2004)
Tom Ahrens ...
 Himself / ... (2 episodes, 1997-2003)
Richard Frackowiak ...
 Himself (2 episodes, 1997-2002)
Peter Ward ...
 Himself / ... (2 episodes, 1997-2002)
Harry Griffin ...
 Himself / ... (2 episodes, 1997-2001)
Ian Wilmut ...
 Himself / ... (2 episodes, 1997-2001)
Julian Osbon ...
 Himself / ... (2 episodes, 1998-2003)
Jerry Linenger ...
 Himself / ... (2 episodes, 1998-2001)
Angela Milner ...
 Herself - Natural History Museum / ... (2 episodes, 1998-2000)
Sarah Russell ...
 Herself - Natural History Museum (2 episodes, 2000-2013)
Geoff Marcy ...
 Himself (2 episodes, 2000-2008)
Bruce Tabashnik ...
 Himself (2 episodes, 2000-2008)
Phil Bereano ...
 Himself / ... (2 episodes, 2000-2005)
Dean Hamer ...
 Himself / ... (2 episodes, 2000-2005)
Carter Clarke ...
 Himself / ... (2 episodes, 2000-2004)
Boris Feigelson ...
 Himself / ... (2 episodes, 2000-2004)
Alex Grizenko ...
 Himself / ... (2 episodes, 2000-2004)
Tracy Hall ...
 Himself / ... (2 episodes, 2000-2004)
Robert Hazen ...
 Himself / ... (2 episodes, 2000-2004)
Stephen Lussier ...
 Himself / ... (2 episodes, 2000-2004)
Martin Rapaport ...
 Himself / ... (2 episodes, 2000-2004)
Janet Reimer ...
 Herself (2 episodes, 2000-2004)
Herbert Strong ...
 Himself / ... (2 episodes, 2000-2004)
Matthew Carrano ...
 Himself - State University of New York / ... (2 episodes, 2000-2002)
Michael Rampino ...
 Himself / ... (2 episodes, 2000-2002)
Story Musgrave ...
 Himself / ... (2 episodes, 2000-2001)
Kenneth Nealson ...
 Himself (2 episodes, 2000-2001)
Greg Stock ...
 Himself (2 episodes, 2000-2001)
Stirling Colgate ...
 Himself (2 episodes, 2001-2009)
David Gilichinsky ...
 Himself / ... (2 episodes, 2001-2003)
Chris McKay ...
 Himself - NASA Ames / ... (2 episodes, 2001-2003)
Giles Yeo ...
 Himself (2 episodes, 2002-2017)
Jim Levine ...
 Himself / ... (2 episodes, 2002-2012)
Alan Guth ...
 Himself - Massachusetts Institute of Technology (2 episodes, 2002-2010)
...
 Himself / ... (2 episodes, 2002-2004)
Ian Russell ...
 Himself (2 episodes, 2002-2003)
Paul Wignall ...
 Himself / ... (2 episodes, 2002)
John Langbein ...
 Himself / ... (2 episodes, 2003-2011)
Vilayanur Ramachandran ...
 Himself (2 episodes, 2003-2004)
Jack Horner ...
 Himself - Museum of the Rockies (2 episodes, 2004-2013)
Richard Wrangham ...
 Himself / ... (2 episodes, 2004-2010)
...
 Himself (2 episodes, 2004-2006)
Ralph Lorenz ...
 Himself (2 episodes, 2004-2005)
Tim Walsh ...
 Himself / ... (2 episodes, 2005-2012)
Steve Jones ...
 Himself - University College London (2 episodes, 2005-2011)
Andrew Silke ...
 Himself / ... (2 episodes, 2005-2009)
Francesca Happé ...
 Herself / ... (2 episodes, 2006-2014)
John Oxford ...
 Himself / ... (2 episodes, 2006-2010)
Judy Brazell ...
 Herself (2 episodes, 2006-2009)
Ed Galea ...
 Himself / ... (2 episodes, 2006-2009)
Sundeep Dhillon ...
 Himself - Caudwell Xtreme Everest (2 episodes, 2007)
Mike Grocott ...
 Himself - Caudwell Xtreme Everest (2 episodes, 2007)
Nigel Hart ...
 Himself - Caudwell Xtreme Everest (2 episodes, 2007)
Chris Imray ...
 Himself - Caudwell Xtreme Everest (2 episodes, 2007)
Denny Levett ...
 Herself - Caudwell Xtreme Everest (2 episodes, 2007)
Daniel Martin ...
 Himself - Caudwell Xtreme Everest (2 episodes, 2007)
Andre Vercueil ...
 Himself - Caudwell Xtreme Everest (2 episodes, 2007)
Adam Fox ...
 Himself / ... (2 episodes, 2008-2014)
Gary Fraser ...
 Himself - Adventist Health Studies, Loma Linda University / ... (2 episodes, 2008-2014)
Seth Shostak ...
 Himself / ... (2 episodes, 2008-2012)
Richard Muller ...
 Himself (2 episodes, 2008-2009)
Faraneh Vargha-Khadem ...
 Herself / ... (2 episodes, 2008-2009)
Richard Bentall ...
 Himself (2 episodes, 2008)
Michael First ...
 Himself (2 episodes, 2008)
Ian Hulatt ...
 Himself (2 episodes, 2008)
Peter Kinderman ...
 Himself (2 episodes, 2008)
Reinhard Genzel ...
 Himself - Max Planck Institute for Extraterrestrial Physics / ... (2 episodes, 2009-2013)
Carel le Roux ...
 Himself / ... (2 episodes, 2009-2012)
Russell Foster ...
 Himself - University of Oxford (2 episodes, 2009-2011)
Douglas Leonard ...
 Himself - San Diego State University (2 episodes, 2009-2010)
Peter Wheeler ...
 Himself - Liverpool John Moore's University / ... (2 episodes, 2009-2010)
Laura Mersini-Houghton ...
 Herself - University of North Carolina (2 episodes, 2010-2015)
Bob Nichol ...
 Himself - University of Portsmouth (2 episodes, 2010-2015)
Steven R. Chesley ...
 Himself - Jet Propulsion Lab, NASA / ... (2 episodes, 2010-2013)
David Jewitt ...
 Himself - UCLA / ... (2 episodes, 2010-2013)
Richard A. Kowalski ...
 Himself - Catalina Sky Survey / ... (2 episodes, 2010-2013)
Daniel Mills ...
 Himself - University of Lincoln (2 episodes, 2010-2013)
Scott Sandford ...
 Himself - NASA Ames Research Centre (2 episodes, 2010-2013)
Timothy B. Spahr ...
 Himself - Minor Planet Centre (2 episodes, 2010-2013)
Don Yeomans ...
 Himself - Jet Propulsion Lab, NASA / ... (2 episodes, 2010-2013)
John Elefteriades ...
 Himself / ... (2 episodes, 2010-2011)
R. Beau Lotto ...
 Himself - Institute of Opthalmology, UCL / ... (2 episodes, 2010-2011)
Melissa Hines ...
 Herself - University of Cambridge / ... (2 episodes, 2011-2014)
Frank Wilczek ...
 Himself - Massachusetts Institute of Technology (2 episodes, 2011-2012)
Adam Scaife ...
 Himself - Met Office / ... (2 episodes, 2012-2014)
Adam Steltzner ...
 Himself - Jet Propulsion Lab / ... (2 episodes, 2012-2014)
Tim Spector ...
 Himself - King's College London (2 episodes, 2012-2013)
Kevin Walsh ...
 Himself - Southwest Research Institute / ... (2 episodes, 2013-2015)
Alan Fitzsimmons ...
 Himself - Queen's University, Belfast / ... (2 episodes, 2013)
Simon Baron-Cohen ...
 Himself / ... (2 episodes, 2014)
Colin Roach ...
 Himself - Presenter (1 episode, 1965)
Jonathan Glover ...
 Himself - Presenter (1 episode, 1982)
Alison Jolly ...
 Herself - Presenter (1 episode, 1983)
Roger Mills ...
 Himself - Narrator (1 episode, 1985)
...
 Jim Watson (1 episode, 1987)
Andrew Burt ...
 Himself - Narrator (1 episode, 1990)
...
 Himself - Narrator (1 episode, 1991)
Charlotte Cornwell ...
 Herself - Narrator (1 episode, 1992)
...
 Himself - Narrator (1 episode, 1992)
...
 Himself - Narrator (1 episode, 1993)
...
 Himself - Narrator (1 episode, 1993)
...
 Himself - Narrator (1 episode, 1993)
Walter Bodmer ...
 Himself - Presenter (1 episode, 1994)
...
 Herself - Narrator (1 episode, 1994)
Roy Marsden ...
 Himself - Narrator (1 episode, 1994)
Sean Barrett ...
 Himself - Narrator (1 episode, 1995)
Ray Brooks ...
 Himself - Narrator (1 episode, 1996)
Eve Matheson ...
 Herself - Narrator (1 episode, 1996)
Nick Finnis ...
 Himself - Narrator (1 episode, 1997)
Stephen Kemble ...
 Himself - Narrator (1 episode, 1998)
...
 Herself - Narrator (1 episode, 1999)
Paul Brightwell ...
 Himself - Narrator (1 episode, 2000)
...
 Herself - Narrator (1 episode, 2000)
...
 Herself - Narrator (1 episode, 2000)
...
 Himself - Narrator (1 episode, 2001)
...
 Himself - Narrator (1 episode, 2001)
...
 Himself - Narrator (1 episode, 2002)
...
 Herself - Narrator (1 episode, 2002)
...
 Herself - Narrator (1 episode, 2004)
...
 Himself - Narrator (1 episode, 2004)
Joe Duttine ...
 Himself - Narrator (1 episode, 2005)
Marcus Pembrey ...
 Himself - Geneticist (1 episode, 2005)
...
 Herself - Narrator (1 episode, 2006)
...
 Himself - Narrator (1 episode, 2006)
William Boyde ...
 Himself - Narrator (1 episode, 2007)
Simon Gregor ...
 Himself - Narrator (1 episode, 2007)
Mark Halliley ...
 Himself - Narrator (1 episode, 2007)
...
 Herself - Narrator (1 episode, 2007)
Jimmy Doherty ...
 Himself - Presenter (1 episode, 2008)
Guy M. Snodgrass ...
 Himself - Pilot (1 episode, 2008)
David Baddiel ...
 Himself - Presenter (1 episode, 2009)
...
 Himself - Narrator (1 episode, 2009)
...
 Himself - Narrator (1 episode, 2010)
Jaye Griffiths ...
 Herself - Narrator (1 episode, 2010)
...
 Himself - Narrator (1 episode, 2010)
...
 Herself - Narrator (1 episode, 2011)
Sara Mendes da Costa ...
 Herself - Narrator (1 episode, 2011)
...
 Himself - Presenter (1 episode, 2011)
Jay Taylor ...
 Himself - Narrator (1 episode, 2011)
Rozina Ali ...
 Herself - Presenter (1 episode, 2012)
...
 Himself - Narrator (1 episode, 2012)
Adam Rutherford ...
 Himself - Presenter (1 episode, 2012)
Gabriel Weston ...
 Herself - Presenter (1 episode, 2012)
Dallas Campbell ...
 Himself - Presenter (1 episode, 2013)
...
 Himself - Narrator (1 episode, 2013)
...
 Himself - Narrator (1 episode, 2013)
...
 Himself - Narrator (1 episode, 2013)
Bill Turnbull ...
 Himself - Presenter (1 episode, 2013)
...
 Herself - Narrator (1 episode, 2014)
Uta Frith ...
 Herself - Presenter (1 episode, 2014)
John Hammond ...
 Himself - Presenter (1 episode, 2014)
Chris van Tulleken ...
 Himself - Presenter (1 episode, 2014)
...
 Herself - Narrator (1 episode, 2015)
...
 Herself - Narrator (1 episode, 2015)
...
 Himself - Presenter (1 episode, 2016)
John Charap ...
 Himself - Interviewer (1 episode, 1965)
Richard Kershaw ...
 Himself - Presenter (1 episode, 1978)
Jean Aitchison ...
 Herself - Senior Lecturer in Linguistics, London School of Economics (1 episode, 1983)
...
 Jack Flugel (1 episode, 1984)
...
 Himself - Founder of Industrial Light and Magic (1 episode, 1985)
John Heron ...
 Himself - Discussion Leader (1 episode, 1986)
Barry Meadows ...
 Himself - Foreign Duty Editor (1 episode, 1988)
Nancy Roman ...
 Herself - Head of Astronomy, NASA, 1959 (1 episode, 1990)
Andrew Fruchter ...
 Himself - Space Telescope Science Institute (1 episode, 2000)
Emmanuel Bonami ...
 Additional Voice (1 episode, 2001)
Wolf Reik ...
 Himself - Geneticist (1 episode, 2005)
Tim Sumner ...
 Himself (1 episode, 2006)
Chhoy Vichey ...
 Eve Chhun (1 episode, 2006)
Ailsa Berk ...
 Dinosauroid (1 episode, 2007)
Bonnie Greer ...
 Herself (1 episode, 2007)
Erick Kammeyer ...
 Himself - Pilot (1 episode, 2008)
Arthur Niell ...
 Himself (1 episode, 2008)
Peter Shelus ...
 Himself (1 episode, 2008)
Gareth Sundem ...
 Himself (1 episode, 2008)
Josette Simon ...
 Herself - Narrator (1 episode, 2009)
Michael A. Pope ...
 Himself (1 episode, 2013)
Saleyha Ahsan ...
 Herself (1 episode, 2014)
Xand van Tulleken ...
 Himself - Presenter (1 episode, 2014)
Tim Peake ...
 Himself - Astronaut (1 episode, 2015)
Robin Clarke ...
 Himself - Interviewer (1 episode, 1965)
Stephen Krashen ...
 Himself - Department of Linguistics, University of South California (1 episode, 1983)
Maria Warburg ...
 Housekeeper (1 episode, 1984)
...
 Himself - Director of 'Indiana Jones' films (1 episode, 1985)
Mike Broadbent ...
 Himself - Editor, One O'Clock News (1 episode, 1988)
Eric Chaisson ...
 Himself - Space Telescope Science Institute (1 episode, 1990)
Philip Anthony ...
 Werner Heisenberg (1 episode, 1992)
Sandra Faber ...
 Himself - Nuker Team (1 episode, 2000)
Olivier Deslandes ...
 Additional Voice (1 episode, 2001)
...
 The Nurse (1 episode, 2005)
Jonathan Seckl ...
 Himself - Molecular Medic (1 episode, 2005)
James Peebles ...
 Himself (1 episode, 2006)
Nou Sandap ...
 Chhun's Mother (1 episode, 2006)
Joshua Appezzato ...
 Himself - Pilot (1 episode, 2008)
Benedetto De Martino ...
 Himself (1 episode, 2008)
Clare Gerada ...
 Herself - Royal College of General Practitioners (1 episode, 2008)
Dennis McCarthy ...
 Himself (1 episode, 2008)
Lucie Green ...
 Herself - Solar Physicist (1 episode, 2012)
John Hyten ...
 Himself, U.S. Air Force Space Command (1 episode, 2015)
Yuri Malenchenko ...
 Himself - Cosmonaut (1 episode, 2015)
Max Born ...
 Himself (1 episode, 1965)
James Asher ...
 Himself - San Jose State University (1 episode, 1983)
Marjorie Bland ...
 Miss Bruce (1 episode, 1984)
...
 Himself - Visual Effects Supervisor (1 episode, 1985)
John Fryer ...
 Himself - Labour Correspondent (1 episode, 1988)
Randal Herley ...
 Otto Hahn (1 episode, 1992)
Robert Kirshner ...
 Himself - Astronomical Observer (1 episode, 1999)
John Kormendy ...
 Himself - Nuker Team (1 episode, 2000)
Pierre Monbouche ...
 Additional Voice (1 episode, 2001)
Michael Skinner ...
 Himself - Epigenetic Scientist (1 episode, 2005)
Chan Nnaa ...
 Chhun's Neighbour (1 episode, 2006)
Jeremiah Ostriker ...
 Himself (1 episode, 2006)
Steve V.W. Beckwith ...
 Himself (1 episode, 2008)
Greg Landsberg ...
 Himself (1 episode, 2008)
Michael Linnell ...
 Himself - Lifeline (1 episode, 2008)
Shana Sewell ...
 Herself (1 episode, 2008)
Rebecca Peake ...
 Herself - Tim's Wife (1 episode, 2015)
Roger Thompson ...
 Himself, The Aerospace Corporation (1 episode, 2015)
Paul Dirac ...
 Himself (1 episode, 1965)
Sharon Lapkin ...
 Herself - Ontario Institute for Studies in Education (1 episode, 1983)
Annabel Leventon ...
 Lady Burt (1 episode, 1984)
Michael J. McAlister ...
 Himself - Visual Effects Cameraman (1 episode, 1985)
Betsy Brantley ...
 Elizabeth Watson (1 episode, 1987)
Colin Bennett ...
 Himself - National Union of Seamen (1 episode, 1988)
Lyman Spitzer ...
 Himself - 'Father of the Space Telescope', Princeton University (1 episode, 1990)
Sean Cranitch ...
 Erich Bagge (1 episode, 1992)
Rocky Kolb ...
 Himself - Astronomical Theorist (1 episode, 1999)
Alan Dressler ...
 Himself - Nuker Team (1 episode, 2000)
John Pierre Steck ...
 Additional Voice (1 episode, 2001)
Stephanie Mullins ...
 Herself - Mother (1 episode, 2005)
Vanm Pheng ...
 Chhun's Father (1 episode, 2006)
Vera C. Rubin ...
 Herself (1 episode, 2006)
Val Curran ...
 Herself - Psychopharmacologist, UCL (1 episode, 2008)
Lars Hall ...
 Himself (1 episode, 2008)
Alia Sheikh ...
 Herself (1 episode, 2013)
Donald J. Kessler ...
 Himself, former NASA scientist (1 episode, 2015)
Tim Kopra ...
 : Himself - Astronaut (1 episode, 2015)
Werner Heisenberg ...
 Himself (1 episode, 1965)
Lynsey Baxter ...
 Margaret Howard (1 episode, 1984)
...
 Herself - Matte Artist (1 episode, 1985)
John Moreno ...
 Vittorio Luzzati (1 episode, 1987)
Tim Sebastian ...
 Himself - Washington Correspondent (1 episode, 1988)
Bob O'Dell ...
 Himself - Project Scientist, 1972-1982 (1 episode, 1990)
Stephen Oxley ...
 Carl Friedrich von Weizsäcker (1 episode, 1992)
Michael Turner ...
 Himself - Astronomical Theorist (1 episode, 1999)
Doug Richstone ...
 Himself - Nuker Team (1 episode, 2000)
Lars Olov Bygren ...
 Himself - Social Medic (1 episode, 2005)
Riccardo Giovanelli ...
 Himself (1 episode, 2006)
Zara Ramm ...
 Dr. Rosemary Woodford (1 episode, 2006)
Alex Prior ...
 Himself (1 episode, 2007)
Petter Johansson ...
 Himself (1 episode, 2008)
David Hicks ...
 Himself - Farmer (1 episode, 2013)
John Ray ...
 Himself - Flight Training Officer (1 episode, 2015)
Patti Schaeffer ...
 Herself, scientist, The Aerospace Corporation (1 episode, 2015)
George Paget Thomson ...
 Himself (1 episode, 1965)
Nigel Reeves ...
 Himself - Department of Linguistics and International Studies, University of Surrey (1 episode, 1983)
John Holmes ...
 Young Burt (1 episode, 1984)
Michael Pangrazio ...
 Himself - Matte Painting Supervisor (1 episode, 1985)
Daniel André Pageon ...
 First Colleague (1 episode, 1987)
David Shukman ...
 Himself - Defence Correspondent (1 episode, 1988)
Nigel Ryder ...
 Himself - British Aerospace (1 episode, 1990)
Adam Riess ...
 Himself - University of California, Berkeley (1 episode, 1999)
Rachel Yehuda ...
 Herself - Psychologist (1 episode, 2005)
Mordehai Milgrom ...
 Himself (1 episode, 2006)
Yann Vipheary ...
 Birth Control Patient (1 episode, 2006)
John Bargh ...
 Himself (1 episode, 2008)
Amanda Feilding ...
 Herself - The Beckley Foundation (1 episode, 2008)
Irwin Shapiro ...
 Himself (1 episode, 2008)
Viktor Kulepetov ...
 Himself - Chief of Ballistics, Rtd (1 episode, 2015)
James F. Reilly ...
 Himself, former NASA astronaut (1 episode, 2015)
Colin Hadley ...
 Himself - Headmaster, Goffs School (1 episode, 1983)
...
 Dr. Burt (1 episode, 1984)
Howard Stein ...
 Himself - Visual Effects Supervising Editor (1 episode, 1985)
Yves Aubert ...
 Second Colleague (1 episode, 1987)
James Wilkinson ...
 Himself - Science Correspondent (1 episode, 1988)
James Adolf Westphal ...
 Himself - California Institute of Technology (1 episode, 1990)
Peter Nugent ...
 Himself - Lawrence Berkeley Lab (1 episode, 1999)
Ailsa Gilliam ...
 11 Survivor / ... (1 episode, 2005)
Reid Sheftall ...
 Dr. David Miller (1 episode, 2006)
Stella Vine ...
 Herself (1 episode, 2007)
Ronnie Sandison ...
 Himself - Psychiatrist & Psychotherapist (1 episode, 2008)
Lawrence Williams ...
 Himself (1 episode, 2008)
Gerhard Drolshagen ...
 Himself, European Space Agency (1 episode, 2015)
Martin Trammer ...
 Himself - Physician (1 episode, 2015)
Michael Harbour ...
 Committee Secretary (1 episode, 1984)
...
 Himself - Visual Effects (1 episode, 1985)
Anthony Benson ...
 J.T. Randall (1 episode, 1987)
Bob Wheaton ...
 Himself - Editor, Six O'Clock News (1 episode, 1988)
Laura Ferrarese ...
 Herself - Rutgers University (1 episode, 2000)
Duch Sarry ...
 Cambodian Official (1 episode, 2006)
Fay Dowker ...
 Herself (1 episode, 2008)
Dean Radin ...
 Himself (1 episode, 2008)
Ben Sessa ...
 Himself - Consultant Psychiatrist, Bristol University (1 episode, 2008)
Samantha Cristoforetti ...
 Herself - Astronaut (1 episode, 2015)
Holger Krag ...
 Himself, space debris team, European Space Agency (1 episode, 2015)
Sheila Reid ...
 Mrs. Hughes (1 episode, 1984)
Bill Kimberlin ...
 Himself - Visual Effects Editor (1 episode, 1985)
Clive Panto ...
 Max Perutz (1 episode, 1987)
Linda Lewis ...
 Herself - Reporter (1 episode, 1988)
Bill Baum ...
 Himself - Wide Field Camera Team (1 episode, 1990)
Karl Gebhardt ...
 Himself - Nuker Team (1 episode, 2000)
...
 US Government Spokesman (1 episode, 2006)
Gary Honey ...
 Himself - Research Fellow, University of Cambridge (1 episode, 2008)
Guy Snodgrass ...
 Himself (1 episode, 2008)
Tracy Caldwell Dyson ...
 Herself - Astronaut (1 episode, 2015)
Sandra Magnus ...
 Herself, NASA astronaut (1 episode, 2015)
Heather Canning ...
 Headmistress (1 episode, 1984)
Robert Harman ...
 Himself - Wire Flying Stunts (1 episode, 1985)
Rupert Massey ...
 John Kendrew (1 episode, 1987)
Nicholas Witchell ...
 Himself - Newsreader (1 episode, 1988)
Alec Boksenberg ...
 Himself - Director, Royal Greenwich Observatory (1 episode, 1990)
Joseph Silk ...
 Himself - University of Oxford (1 episode, 2000)
Steve Gresser ...
 US Immigration Official (1 episode, 2006)
David Spergel ...
 Himself (1 episode, 2006)
Josh Appazzato ...
 Himself (1 episode, 2008)
Theodora Duka ...
 Herself - Experimental Psychologist, University of Sussex (1 episode, 2008)
Costa Mavridis ...
 Himself - EVA Systems Instructor (1 episode, 2015)
Philip Locke ...
 Sir Francis Galton (1 episode, 1984)
Geoffrey Chater ...
 Sir Lawrence Bragg (1 episode, 1987)
...
 Herself - Newsreader (1 episode, 1988)
John Dubinski ...
 Himself - University of Toronto (1 episode, 2000)
...
 Michael Peterson (1 episode, 2006)
Trevor Baxter ...
 Professor Breene (1 episode, 1984)
Nicholas Fry ...
 Raymond Gosling (1 episode, 1987)
Neil Bennett ...
 Himself - Reporter (1 episode, 1988)
Jack Brandt ...
 Himself - Goddard High Resolution Spectrograph (1 episode, 1990)
Reis Chuba ...
 Mickey Peterson (1 episode, 2006)
Darren McKnight ...
 Himself, Integrity Applications Inc. (1 episode, 2015)
...
 Professor Fisher (1 episode, 1984)
Tom McCabe ...
 Bill Seeds (1 episode, 1987)
David Loyn ...
 Himself - Reporter (1 episode, 1988)
Sally Heap ...
 Herself - High Resolution Spectrograph (1 episode, 1990)
Darl Chryst ...
 Anna Peterson (1 episode, 2006)
Jamie Reid ...
 Himself, Airbus (1 episode, 2015)
...
 Dr. Zunz (1 episode, 1984)
Petronella Ford ...
 Odile Crick (1 episode, 1987)
Richard Harms ...
 Himself - Faint Object Spectrograph (1 episode, 1990)
Shelby Rose ...
 Lori Peterson (1 episode, 2006)
Steve Bruce ...
 Himself, vice president, Lockheed Martin (1 episode, 2015)
Moti Makan ...
 Dr. Panna (1 episode, 1984)
Ian Harvey ...
 Bruce Fraser (1 episode, 1987)
Bob Bless ...
 Himself - University of Madison, Wisconsin - High Speed Photometer (1 episode, 1990)
...
 Kim (1 episode, 2006)
Lockwood West ...
 Committee Chairman (1 episode, 1984)
Vass Anderson ...
 Alex Stokes (1 episode, 1987)
Conrad Sturch ...
 Himself - Space Telescope Science Institute (1 episode, 1990)
Debby Rosenthal ...
 Kim's Mother (1 episode, 2006)
...
 LCC Chairman (1 episode, 1984)
Jill Johnson ...
 Freda Ticehurst (1 episode, 1987)
Bill Jefferys ...
 Himself - University of Austin, Texas (1 episode, 1990)
Garth Williams ...
 Kim's Father (1 episode, 2006)
Michael Feldman ...
 Student (1 episode, 1984)
...
 First French Girl (1 episode, 1987)
Al Bogess ...
 Himself - Space Telescope Scientist, NASA Goddard (1 episode, 1990)
Pat DiRoss ...
 Paramedic (1 episode, 2006)
Mark Burdis ...
 Delinquent boy (1 episode, 1984)
Katherine Kath ...
 Pop Prior (1 episode, 1987)
Bruce McCandless II ...
 Himself - Astronaut (1 episode, 1990)
Chad Lares ...
 National Guard Officer (1 episode, 2006)
Dickon Tolson ...
 Edwin (1 episode, 1984)
Gaby Lister ...
 Second French Girl (1 episode, 1987)
Kathy Sullivan ...
 Herself - Astronaut (1 episode, 1990)
Slade Hall ...
 US TV Reporter 1 (1 episode, 2006)
Marc Nohr ...
 Butcher's boy (1 episode, 1984)
David Allister ...
 John Griffith (1 episode, 1987)
Rachel Whirey ...
 US TV Reporter 2 (1 episode, 2006)
Anna Skye ...
 Girl at Party (1 episode, 1987)
Carlos Urtubey ...
 Spanish TV Reporter (1 episode, 2006)
...
 Erwin Chargaff (1 episode, 1987)
...
 Rachel Stone Reporter (1 episode, 2006)
Vincent Marzello ...
 Peter Pauling (1 episode, 1987)
Elizabeth Elvin ...
 Karen Tyler (1 episode, 2006)
Ray Charleson ...
 Jerry Donohue (1 episode, 1987)
Terrance Mustdoo ...
 Funeral Priest (1 episode, 2006)
John Tang
(1 episode, 2006)
Hyland Woo
(1 episode, 2006)
David Collins
(1 episode, 2006)
Shona McCormack
(1 episode, 2006)
Max Tetlow
(1 episode, 2006)
Rebecca Reece
(1 episode, 2006)
Ben Finney
(1 episode, 2006)
Jess Pilmore
(1 episode, 2006)
Murray Gell-Mann ...
 Himself (1 episode, 1964)
Robert Horne ...
 Himself (1 episode, 1964)
Aaron Klug ...
 Himself (1 episode, 1964)
Yuval Ne'eman ...
 Himself (1 episode, 1964)
Nicholas Samios ...
 Himself (1 episode, 1964)
Jacob Bronowski ...
 Himself (1 episode, 1965)
Hayden Jones ...
 Professor Boys (1 episode, 1965)
T.H. O'Beirne ...
 Himself (1 episode, 1965)
R.D. Preston ...
 Himself - Prof (1 episode, 1965)
Roger Bannister ...
 Himself (1 episode, 1966)
Charles A. Berry ...
 Himself (1 episode, 1966)
Frank Borman ...
 Himself (1 episode, 1966)
William Burleigh ...
 Humphrey (1 episode, 1966)
Albert Copley ...
 Himself - painter and professor (1 episode, 1966)
Walter Cunningham ...
 Himself (1 episode, 1966)
John Curdon ...
 Himself (1 episode, 1966)
John Hodge ...
 Himself (1 episode, 1966)
John Maynard Smith ...
 Himself (1 episode, 1966)
Matthew Radnofsky ...
 Himself (1 episode, 1966)
...
 Emma (1 episode, 1966)
...
 Mother (1 episode, 1966)
S.A. Tobias ...
 Himself (1 episode, 1966)
...
 Himself (1 episode, 1966)
...
 Sophy (1 episode, 1966)
Solly Zuckerman ...
 Himself (1 episode, 1966)
...
 Himself (1 episode, 1967)
...
 Michael Faraday (1 episode, 1967)
Ted Serios ...
 Himself (1 episode, 1967)
Michael Balfour ...
 Magic Lantern showman (1 episode, 1968)
Christiaan Bernard ...
 Himself (1 episode, 1968)
Colin Buchanan ...
 Himself (1 episode, 1968)
Alex Comfort ...
 Himself - University College London (1 episode, 1968)
Florence De Jong ...
 Herself - musical accompaniment (1 episode, 1968)
John Glaister ...
 Himself - Professor Emiritus of Forensic Medicine and Public Health, University of Glasgow (1 episode, 1968)
Cyril 'Tanky' Holdaway ...
 Himself - Head of Hampshire CID (1 episode, 1968)
Adrian Kantrowitz ...
 Himself (1 episode, 1968)
John McCafferty ...
 Himself - Head of Ballistics Department, Scotland Yard (1 episode, 1968)
Keith Simpson ...
 Himself - Professor of Forensic Medicine, Guy's Hospital (1 episode, 1968)
Tony Benn ...
 Himself (1 episode, 1969)
Michael Borer ...
 Himself - Zoologist (1 episode, 1969)
Eric Zimen ...
 Himself - Zoologist (1 episode, 1969)
A.J. Ayer ...
 Himself (1 episode, 1970)
...
 Himself - narrator (1 episode, 1970)
Michael Flanders ...
 Himself - Commentator (1 episode, 1970)
Christopher Banks ...
 Speaker at Debate (1 episode, 1971)
...
 Charles Darwin (1 episode, 1971)
Lee Donald ...
 Speaker at Debate (1 episode, 1971)
...
 Bishop Wilberforce (1 episode, 1971)
Nancie Jackson ...
 Mrs. Huxley (1 episode, 1971)
Stanley Jacombe ...
 Speaker at Debate (1 episode, 1971)
Trevor Jones ...
 Himself - General Motors, Detroit (2 episodes, 1971-2013)
Simon Joseph ...
 Speaker at Debate (1 episode, 1971)
Philip Morant ...
 Speaker at Debate (1 episode, 1971)
Katherine Parr ...
 Mrs. Darwin (1 episode, 1971)
John Saunders ...
 Speaker at Debate (1 episode, 1971)
Jeffrey Segal ...
 Speaker at Debate (1 episode, 1971)
Frank Sieman ...
 Speaker at Debate (1 episode, 1971)
Norman Tyrrell ...
 Speaker at Debate (1 episode, 1971)
...
 Richard Owen (1 episode, 1971)
Jan Corsellis ...
 Himself - Runwell Hospital (1 episode, 1972)
W.G. Hoskins ...
 Himself - Presenter (1 episode, 1972)
...
 Himself - Commentator (1 episode, 1972)
Adam ...
 Himself - Deaf Child (1 episode, 1973)
...
 Dr. Freud (1 episode, 1973)
Jack Ashley ...
 Himself (1 episode, 1973)
Mary Ashton ...
 Gisela (1 episode, 1973)
Richard Bebb ...
 Commentary (1 episode, 1973)
Michael Brennan ...
 Captain Novak (1 episode, 1973)
Claire Cummings ...
 Herself - Deaf Child (1 episode, 1973)
William Edmondson ...
 Himself - Teacher, Imperial College (1 episode, 1973)
L. Fisch ...
 Himself - Expert on Elderly Deafness (1 episode, 1973)
...
 Patient (1 episode, 1973)
Jo Garrity ...
 Girl with beautiful eyes (1 episode, 1973)
Lydia Handscomb ...
 Herself - Deaf Youngster (1 episode, 1973)
Alister Hardy ...
 Himself (1 episode, 1973)
Charles Kinross ...
 Father (1 episode, 1973)
Ruth Madoc ...
 Governess (1 episode, 1973)
Mike Martin ...
 Himself - RNID Scientific & Technical Department (1 episode, 1973)
Alan Murray ...
 Himself - Deaf Worker (1 episode, 1973)
Caspar Norman ...
 Patient as a boy (1 episode, 1973)
Ken Scarratt ...
 Himself - Deaf Adult (1 episode, 1973)
Anita Carey ...
 Young Joey's Mother (1 episode, 1974)
Bob Cava ...
 Himself - AT&T Bell Labs, New Jersey (1 episode, 1974)
Francis Crick ...
 Himself (1 episode, 1974)
Henry Kolm ...
 Himself - Massachusetts Institute of Technology (1 episode, 1974)
...
 Ernie (1 episode, 1974)
Michael Swann ...
 Himself - Narrator (1 episode, 1974)
Mark Wing-Davey ...
 Young Joey's Father (1 episode, 1974)
John Bonnard ...
 Himself - Consultant Obstetrician, John Radcliffe Hospital (1 episode, 1975)
Tim Chard ...
 Himself - St. Bartholomew's Hospital (1 episode, 1975)
Phyllis Croft ...
 Herself (1 episode, 1975)
John Davis ...
 Himself - St. Mary's Hospital, Manchester (1 episode, 1975)
Ian Donald ...
 Himself - Queen Mother's Hospital, Glasgow (1 episode, 1975)
Douglas Ellis ...
 Himself - Consultant Obstetrician, John Radcliffe Hospital (1 episode, 1975)
Peter Huntingford ...
 Himself - The London & St. Bartholomew's Hospitals (1 episode, 1975)
Martin Richards ...
 Himself - Medical Psychology Unit, Cambridge (1 episode, 1975)
Alec Turnbull ...
 Himself - John Radcliffe Hospital (1 episode, 1975)
Robert McNeill Alexander ...
 Himself - Leeds University (1 episode, 1976)
Eva ...
 Cattaneo (1 episode, 1976)
Gerard Guarniero ...
 Himself (1 episode, 1976)
Karl ...
 Truesdale (1 episode, 1976)
...
 Himself - Narrator (1 episode, 1976)
Gentry Lee ...
 Himself (1 episode, 1977)
Russell Marker ...
 Himself (1 episode, 1977)
Lee Montague ...
 Charles Darwin (1 episode, 1977)
Bruce Murray ...
 Himself (1 episode, 1977)
Robert Clayton ...
 Himself - Technical Director, G.E.C. (1 episode, 1978)
Mike Cooley ...
 Himself - Past President, AUEW, TASS (1 episode, 1978)
Alex D'Agapeyeff ...
 Himself - Past President, British Computer Society (1 episode, 1978)
David Firnberg ...
 Himself - Director, National Computing Centre (1 episode, 1978)
Philip Hughes ...
 Himself - Chairman, Logica Ltd. (1 episode, 1978)
Cy James ...
 Himself - Project Manager, Logica Ltd. (1 episode, 1978)
Mick McLean ...
 Himself - Science Policy Research Unit, University of Sussex (1 episode, 1978)
Gordon Paterson ...
 Himself - Technical Director, Plessey Ltd. (1 episode, 1978)
Barrie Sherman ...
 Himself - Director of Research, Association of Scientific, Technical & Managerial Staffs (1 episode, 1978)
...
 Commentator (1 episode, 1978)
Frank Windsor ...
 Himself - Commentator (1 episode, 1978)
Philip James ...
 Himself - Commentator (1 episode, 1979)
Colin Raich ...
 Himself - Narrator (1 episode, 1979)
Gordon Taylor ...
 Himself - Presenter (1 episode, 1979)
Paul Bacon ...
 Himself - Narrator (1 episode, 1980)
Brian Carroll ...
 Himself - Narrator (1 episode, 1980)
Peter Fenwick ...
 Himself - Commentator (1 episode, 1980)
...
 Himself - Narrator (1 episode, 1980)
Luiz Alvarez ...
 Himself - University of California (1 episode, 1981)
Michael Dean ...
 Himself - Narrator (1 episode, 1981)
George Duckett ...
 Himself - Cosworth (1 episode, 1981)
Keith Duckworth ...
 Himself - Cosworth Designer (1 episode, 1981)
Frank Durney ...
 Himself - Williams R&D Engineer (1 episode, 1981)
Cesare Emiliani ...
 Himself - Professor of Geology, University of Miami (1 episode, 1981)
Bob Gayler ...
 Himself - High Speed Engine Designer (1 episode, 1981)
Patrick Head ...
 Himself - Williams Designer (1 episode, 1981)
Alan Jones ...
 Himself (1 episode, 1981)
Neil Oatley ...
 Himself - Chief Engineer, Williams (1 episode, 1981)
Carlos Reutemann ...
 Himself (1 episode, 1981)
Dale A. Russell ...
 Himself - Paleobiologist, National Museums of Canada (1 episode, 1981)
Bob Torrie ...
 Himself - Gearbox Expert, Williams (1 episode, 1981)
Frank Williams ...
 Himself - Team Principal, Williams (1 episode, 1981)
Peter Windsor ...
 Himself - Racing Journalist (1 episode, 1981)
Dick Boydell ...
 Himself - Presenter (1 episode, 1982)
Ian McColl ...
 Himself (1 episode, 1982)
...
 Himself - Narrator (1 episode, 1983)
Bobbi Campbell ...
 Himself (1 episode, 1983)
Ian Fells ...
 Himself - Presenter (1 episode, 1983)
Sandy Ford ...
 Herself (1 episode, 1983)
Edward Fredkin ...
 Himself - Massachusetts Institute of Technology (1 episode, 1983)
Alvin Friedman-Kien ...
 Himself (1 episode, 1983)
Michael Gottlieb ...
 Himself (1 episode, 1983)
Jan Harding ...
 Himself - Narrator (1 episode, 1983)
Robert Jastrow ...
 Himself - Goddard Institute for Space Studies, NASA (1 episode, 1983)
Linda Laubenstein ...
 Herself (1 episode, 1983)
...
 Himself - Presenter (1 episode, 1983)
John Ashworth ...
 Himself - Biologist (1 episode, 1984)
James Burke ...
 Himself - Presenter (1 episode, 1984)
Ian Butterworth ...
 Himself - Physicist (1 episode, 1984)
John Cadogan ...
 Himself - Scientist (1 episode, 1984)
Douglas Hague ...
 Himself - Economist (1 episode, 1984)
Colin Humphreys ...
 Himself - Scientist (1 episode, 1984)
John Irvine ...
 Himself - Scientist (1 episode, 1984)
Arthur Jensen ...
 Himself - University of California, Berkeley (1 episode, 1984)
Leon Kamin ...
 Himself (1 episode, 1984)
Ben Martin ...
 Himself - Scientist (1 episode, 1984)
Jonathan Miller ...
 Himself (1 episode, 1984)
Kieran Prendiville ...
 Himself - Presenter (1 episode, 1984)
Steven Rose ...
 Himself - Biologist and Neurobiologist (1 episode, 1984)
Nick Ross ...
 Himself - Presenter (1 episode, 1984)
Carlo Rubbia ...
 Himself - Particle Physicist (1 episode, 1984)
John Taylor ...
 Himself - Technology Research Scientist (1 episode, 1984)
...
 Herself - Prime Minister (1 episode, 1984)
Ivan Vaughan ...
 Himself (1 episode, 1984)
Tom Ashton ...
 Himself (1 episode, 1986)
Rani Atma ...
 Herself (1 episode, 1986)
Alexandra Beckett ...
 Herself (1 episode, 1986)
Sam Broder ...
 Himself (1 episode, 1986)
Judith Cohen ...
 Herself (1 episode, 1986)
Joyce Cole ...
 Herself (1 episode, 1986)
Twiz Dale ...
 Himself (1 episode, 1986)
Tony Gibson ...
 Himself (1 episode, 1986)
Paul Hibbert ...
 Himself (1 episode, 1986)
Anne Howard ...
 Herself (1 episode, 1986)
Bill Jarrett ...
 Himself (1 episode, 1986)
Medlin Lewis ...
 Herself (1 episode, 1986)
Andrew Moss ...
 Himself (1 episode, 1986)
Opendra Narayan ...
 Himself (1 episode, 1986)
...
 Himself - Narrator (2 episodes, 1986-2013)
Robin Weiss ...
 Himself (1 episode, 1986)
Joseph P. Allen ...
 Himself - Scientist Astronaut (1 episode, 1987)
Roy Bridges ...
 Himself - Shuttle Pilot (1 episode, 1987)
Robert Gibson ...
 Himself - Shuttle Commander (1 episode, 1987)
Frederick Hauck ...
 Himself - Shuttle Commander (1 episode, 1987)
Henry Petroski ...
 Himself (1 episode, 1987)
David Webb ...
 Himself - US National Commission on Space (1 episode, 1987)
Ralph Leighton ...
 Himself (1 episode, 1988)
Stephen Moore ...
 Himself - Narrator (1 episode, 1988)
George Nelson ...
 Himself - Discovery Astronaut (1 episode, 1988)
Tom Gennarelli ...
 Himself - Allegheny University Hospital (2 episodes, 1989-2013)
Hilary Henson ...
 Herself - Narrator (1 episode, 1989)
Don Huelke ...
 Himself - Accident Investigator, University of Michigan (2 episodes, 1989-2013)
Eric R. Laithwaite ...
 Himself - Presenter (1 episode, 1989)
Murray Mackay ...
 Himself - Birmingham Accident Research Centre (2 episodes, 1989-2013)
...
 Himself - Center for Study of Responsive Law (2 episodes, 1989-2013)
Stefan Nilsson ...
 Himself - Volvo Car Corporation (2 episodes, 1989-2013)
Larry Patrick ...
 Himself - Wayne State University (3 episodes, 1989-2013)
Larry Thibault ...
 Himself - Allegheny University Hospital (2 episodes, 1989-2013)
Glyn Worsnip ...
 Himself (1 episode, 1989)
George Eichwort ...
 Himself - Cornell University (1 episode, 1990)
William Hamilton ...
 Himself - University of Oxford (1 episode, 1990)
...
 Himself - Narrator (1 episode, 1990)
Jenni Murray ...
 Herself - Narrator (1 episode, 1990)
Robert Page Jr. ...
 Himself - University of California (1 episode, 1990)
Adam Raphael ...
 Himself - Narrator (1 episode, 1990)
Rüdiger Wehner ...
 Himself - University of Zurich (1 episode, 1990)
John Perry Barlow ...
 Himself (1 episode, 1991)
Gareth Edwards ...
 Himself (1 episode, 1991)
Scott Fisher ...
 Himself (1 episode, 1991)
Michael Frayn ...
 Himself (1 episode, 1991)
Thomas Furness ...
 Himself (1 episode, 1991)
...
 Himself (1 episode, 1991)
Brenda Laurel ...
 Herself (1 episode, 1991)
Michael McGreevy ...
 Himself (1 episode, 1991)
Howard Rheingold ...
 Himself (1 episode, 1991)
Robert Stone ...
 Himself (1 episode, 1991)
Sally Tisdale ...
 Herself (1 episode, 1991)
Don Vickers ...
 Himself (1 episode, 1991)
Michael Wahrman ...
 Himself (1 episode, 1991)
Jonathan Waldern ...
 Himself (1 episode, 1991)
Frank Banta ...
 Himself - Kinsey Respondent (1 episode, 1992)
Donald Bayley ...
 Himself (1 episode, 1992)
William Dellenback ...
 Himself - Kinsey's Photographer (1 episode, 1992)
Daniel C. Dennett ...
 Himself (1 episode, 1992)
Robin Gandy ...
 Himself (1 episode, 1992)
Irving John Good ...
 Himself (1 episode, 1992)
Daniel Hillis ...
 Himself (1 episode, 1992)
Andrew Hodges ...
 Himself (1 episode, 1992)
Virginia Johnson ...
 Herself (1 episode, 1992)
William H. Masters ...
 Himself (1 episode, 1992)
Marvin Minsky ...
 Himself (1 episode, 1992)
Joan Murray ...
 Herself (1 episode, 1992)
Norman Routledge ...
 Himself (1 episode, 1992)
...
 Narrator (1 episode, 1992)
Colin Tudge ...
 Himself (1 episode, 1992)
Shaun Wylie ...
 Himself (1 episode, 1992)
Gustav Braun ...
 (Himself) - Topf & Sons Manager (1 episode, 1994)
Fela Drybus ...
 (Herself) - Auschwitz Inmate (1 episode, 1994)
Gerald Fleming ...
 (Himself) - Research Professor (1 episode, 1994)
Ota Kraus ...
 (Himself) - Auschwitz Inmate (1 episode, 1994)
Eugeniusz Nosal ...
 (Himself) - Auschwitz Inmate (1 episode, 1994)
Vasily Yakovlevich Petrenko ...
 (Himself) - Soviet Army Commander (1 episode, 1994)
Franciszek Piper ...
 (Himself) - Historian (1 episode, 1994)
...
 Himself - Presenter (1 episode, 1994)
Kazimierz Smolen ...
 (Himself) - Auschwitz Inmate (1 episode, 1994)
Robert Jan Van Pelt ...
 (Himself) - Dutch Architect (1 episode, 1994)
...
 Herself - Narrator (1 episode, 1995)
Gerald Scarfe ...
 Himself - Narrator (1 episode, 1995)
Keith Baverstock ...
 Himself (1 episode, 1996)
...
 Herself (1 episode, 1996)
Orville Chapman ...
 Himself (1 episode, 1996)
Raymond Chiao ...
 Himself (1 episode, 1996)
John Coates ...
 Himself (1 episode, 1996)
John Conway ...
 Himself (1 episode, 1996)
Evgeni Demidchik ...
 Himself (1 episode, 1996)
David Deutsch ...
 Himself (1 episode, 1996)
Francois Diederich ...
 Himself (1 episode, 1996)
Joe Hafele ...
 Himself (1 episode, 1996)
Jonathan Hare ...
 Himself (1 episode, 1996)
John Harrison ...
 Himself (1 episode, 1996)
Nick Katz ...
 Himself (1 episode, 1996)
Irina Kovalchuk ...
 Herself (1 episode, 1996)
Wolfgang Kratschmer ...
 Himself (1 episode, 1996)
Lowell Lamb ...
 Himself (1 episode, 1996)
Barry Mazur ...
 Himself (1 episode, 1996)
Fred Mettler ...
 Himself (1 episode, 1996)
Gunter Nimtz ...
 Himself (1 episode, 1996)
Igor Novikov ...
 Himself (1 episode, 1996)
Alexei Okeanov ...
 Himself (1 episode, 1996)
Walter Pitman ...
 Himself (1 episode, 1996)
Ken Ribet ...
 Himself (1 episode, 1996)
Bill Ryan ...
 Himself (1 episode, 1996)
...
 Himself (1 episode, 1996)
Peter Sarnak ...
 Himself (1 episode, 1996)
Goro Shimura ...
 Himself (1 episode, 1996)
...
 Himself (1 episode, 1996)
Matt Visser ...
 Himself (1 episode, 1996)
John Wheeler ...
 Himself (1 episode, 1996)
Andrew Wiles ...
 Himself (1 episode, 1996)
Dillwyn Williams ...
 Himself (1 episode, 1996)
Bal Athwal ...
 Himself (1 episode, 1997)
Frank Barnes ...
 Himself - Granada Biosciences (1 episode, 1997)
Albert Bendelac ...
 Himself (1 episode, 1997)
Grahame Bulfield ...
 Himself - Director, Roslin Institute (1 episode, 1997)
Ted Cantrell ...
 Himself (1 episode, 1997)
José Antonio Chavez ...
 Himself (1 episode, 1997)
John Clark ...
 Himself - Roslin Institute (1 episode, 1997)
Jonathan Cole ...
 Himself (1 episode, 1997)
William Conklin ...
 Himself (1 episode, 1997)
Steve D'Hondt ...
 Himself - University of Rhode Island (1 episode, 1997)
Gus Dalgleish ...
 Himself (1 episode, 1997)
Carlos de Cicco ...
 Himself (1 episode, 1997)
Francis Ephraim ...
 Himself (1 episode, 1997)
Elliot Fishman ...
 Himself (1 episode, 1997)
Charles Freed ...
 Himself (1 episode, 1997)
Sonia Guillen ...
 Herself (1 episode, 1997)
John Gurdon ...
 Himself - Welcome CRC Institute, Cambridge (1 episode, 1997)
Marsha Ivins ...
 Herself (1 episode, 1997)
Ron James ...
 Himself - PPL Therapeutics (1 episode, 1997)
Kirk Johnson ...
 Himself - Colorado Museum of Natural History (1 episode, 1997)
Sylvia Querero Kawasaki ...
 Herself (1 episode, 1997)
Jonathan King ...
 Himself - Massachusetts Institute of Technology (1 episode, 1997)
Kevin Lafferty ...
 Himself (1 episode, 1997)
Chris Larsen ...
 Himself (1 episode, 1997)
Charles Looney ...
 Himself - Granada Biosciences (1 episode, 1997)
Polly Matzinger ...
 Herself (1 episode, 1997)
Douglas McGavin ...
 Himself - Roslin Institute (1 episode, 1997)
David McNeill ...
 Himself (1 episode, 1997)
Dugan O'Keefe ...
 Himself - California Institute of Technology (1 episode, 1997)
Tom Pearson ...
 Himself (1 episode, 1997)
Johan Reinhard ...
 Himself (1 episode, 1997)
Herbert Schaumburg ...
 Himself (1 episode, 1997)
Juan Schobinger ...
 Himself (1 episode, 1997)
Ron Schwartz ...
 Himself (1 episode, 1997)
Buck Sharpton ...
 Himself - Lunar Planetary Institute (1 episode, 1997)
Peter Sheehan ...
 Himself - Milwaukee Public Museum (1 episode, 1997)
Eugene Shoemaker ...
 Himself - US Geological Survey (1 episode, 1997)
Arthur Silverstein ...
 Himself (1 episode, 1997)
Jonathan Slack ...
 Himself - Bath University (1 episode, 1997)
Fred Tauber ...
 Himself (1 episode, 1997)
Ian Waterman ...
 Himself (1 episode, 1997)
Steen Willadsen ...
 Himself (1 episode, 1997)
Mohamed Abou-Donia ...
 Himself (1 episode, 1998)
Gerald Beech ...
 Himself (1 episode, 1998)
Andy Black ...
 Himself (1 episode, 1998)
Viktor Blagov ...
 Himself - Russian Mission Control (1 episode, 1998)
Ronald Blanck ...
 Himself (1 episode, 1998)
Sean Carroll ...
 Himself - University of Wisconsin (1 episode, 1998)
Bill Clavey ...
 Himself (1 episode, 1998)
Malcolm Dando ...
 Himself (1 episode, 1998)
Mark Doyle ...
 Himself (1 episode, 1998)
Denis Duboule ...
 Himself - University of Geneva (1 episode, 1998)
Alan Feduccia ...
 Himself - University of California (1 episode, 1998)
Peter Holland ...
 Himself - University of Reading (1 episode, 1998)
David Jablonski ...
 Himself - University of Chicago (1 episode, 1998)
Goran Jamai ...
 Himself (1 episode, 1998)
Mike Levine ...
 Himself - University of California, Berkeley (1 episode, 1998)
Nagesh Mahanthappa ...
 Himself - Ontogeny (1 episode, 1998)
Bill McGinnis ...
 Himself - University of California, San Diego (1 episode, 1998)
Steve Miller ...
 Himself (1 episode, 1998)
Angus Parker ...
 Himself (1 episode, 1998)
Dave Robertson ...
 Himself (1 episode, 1998)
Nicholas Soames ...
 Himself (1 episode, 1998)
Cliff Tabin ...
 Himself - Harvard University (1 episode, 1998)
Paul Taylor ...
 Himself (1 episode, 1998)
Thomas Tiedt ...
 Himself (1 episode, 1998)
James Tuite ...
 Himself (1 episode, 1998)
Elizabeth Wang ...
 Herself - Ontogeny (1 episode, 1998)
Patricia Alcott ...
 Herself (1 episode, 1999)
John Baross ...
 Himself (1 episode, 1999)
Robert Bauval ...
 Himself (1 episode, 1999)
Zvi Bodie ...
 Himself (1 episode, 1999)
Betty Christenson ...
 Herself (1 episode, 1999)
Jack Corliss ...
 Himself (1 episode, 1999)
Sam Cox ...
 Skolnick (1 episode, 1999)
John Delaney ...
 Himself (1 episode, 1999)
...
 Atlan (1 episode, 1999)
...
 Colonel Ratcliffe (1 episode, 1999)
Gunter Dreyer ...
 Himself (1 episode, 1999)
Joy Englestad ...
 Herself (1 episode, 1999)
Gary Feinman ...
 Himself (1 episode, 1999)
Linda Feinman ...
 Herself (1 episode, 1999)
Paul Foehn ...
 Himself (1 episode, 1999)
Sarah Francis ...
 Herself (1 episode, 1999)
Lillian Gross ...
 Herself (1 episode, 1999)
Urs Gruber ...
 Himself (1 episode, 1999)
Graham Hancock ...
 Himself (1 episode, 1999)
Richard Hansen ...
 Himself (1 episode, 1999)
David Harris ...
 Himself (1 episode, 1999)
...
 George Varley (1 episode, 1999)
Jorg Heumader ...
 Himself (1 episode, 1999)
Gordon Hillman ...
 Himself (1 episode, 1999)
...
 Julian Huxley (1 episode, 1999)
Dieter Issler ...
 Himself (1 episode, 1999)
Stan Jonas ...
 Himself - FIMAT Broker (1 episode, 1999)
Christa Kapellner ...
 Herself (1 episode, 1999)
Helmut Kapellner ...
 Himself (1 episode, 1999)
Silvia Kathrein ...
 Herself (1 episode, 1999)
Deborah Kelley ...
 Herself (1 episode, 1999)
Sue Kiner ...
 Herself (1 episode, 1999)
Ed Krupp ...
 Himself (1 episode, 1999)
Roger Lowenstein ...
 Himself (1 episode, 1999)
Rudi Mair ...
 Himself (1 episode, 1999)
Eleanor Mannika ...
 Herself (1 episode, 1999)
Stefan Margreth ...
 Himself (1 episode, 1999)
Linda Massey ...
 Herself (1 episode, 1999)
Paul McHugh ...
 Himself (1 episode, 1999)
Leo Melamed ...
 Himself (1 episode, 1999)
Robert C. Merton ...
 Himself (1 episode, 1999)
Merton Miller ...
 Himself (1 episode, 1999)
Leroy Olson ...
 Himself (1 episode, 1999)
...
 David Lack (1 episode, 1999)
Veronique Robigou ...
 Herself (1 episode, 1999)
Luggi Salner ...
 Himself (1 episode, 1999)
Paul Samuelson ...
 Himself (1 episode, 1999)
Robert Schoch ...
 Himself (1 episode, 1999)
Myron Scholes ...
 Himself (1 episode, 1999)
Ben Schwartz ...
 Himself (1 episode, 1999)
Keith Shepherd ...
 Himself (1 episode, 1999)
Kate Spence ...
 Herself (1 episode, 1999)
David Spiegel ...
 Himself (1 episode, 1999)
Herbert Spiegel ...
 Himself (1 episode, 1999)
Jason Tait ...
 Himself (1 episode, 1999)
Friedrich Treidl ...
 Himself (1 episode, 1999)
Georg Walter ...
 Himself (1 episode, 1999)
Toby Wilkinson ...
 Himself (1 episode, 1999)
...
 British soldier / ... (1 episode, 1999)
Shadrack Abayo ...
 Himself (1 episode, 2000)
David Abshire ...
 Himself (1 episode, 2000)
Renee Abshire ...
 Herself (1 episode, 2000)
Stanley Ambrose ...
 Himself - University of Illinois (1 episode, 2000)
Ellen Anderson ...
 Herself - Juneau Forestry Sciences Lab, Alaska (1 episode, 2000)
Bertran Auvert ...
 Himself (1 episode, 2000)
Robert Bailley ...
 Himself (1 episode, 2000)
Heather Barnett ...
 Herself (1 episode, 2000)
Sheila Batchelor ...
 Herself (1 episode, 2000)
Carlos Bauzá ...
 Himself (1 episode, 2000)
Robin Bell ...
 Himself (1 episode, 2000)
Christophe Benech ...
 Himself (1 episode, 2000)
Fritz Benedict ...
 Himself (1 episode, 2000)
Bill Bonnichsen ...
 Himself - Idaho Geological Survey (1 episode, 2000)
Robbie Burns ...
 Himself - De Beers (1 episode, 2000)
Chris Burrows ...
 Himself - European Space Agency (1 episode, 2000)
Juliet Butler ...
 Herself (1 episode, 2000)
Michel Carael ...
 Himself (1 episode, 2000)
Frank D. Carsey ...
 Himself (1 episode, 2000)
...
 Himself (1 episode, 2000)
Robert Christiansen ...
 Himself - US Geological Survey (1 episode, 2000)
James Cleaver ...
 Himself (1 episode, 2000)
Richard Coker ...
 Himself (1 episode, 2000)
Andrew Collier Cameron ...
 Himself (1 episode, 2000)
Rodolfo Coria ...
 Himself - Plaza Huincul Museum (1 episode, 2000)
Phil Dale ...
 Himself (1 episode, 2000)
Jean-Pierre Darmon ...
 Himself (1 episode, 2000)
Robert Daum ...
 Himself (1 episode, 2000)
Alvin Davies ...
 Himself (1 episode, 2000)
Simon Day ...
 Himself - Benfield Greig Hazard Research Centre, UCL (1 episode, 2000)
Alain Desremaux ...
 Himself (1 episode, 2000)
Milton Diamond ...
 Himself (1 episode, 2000)
Alice Dreger ...
 Herself (1 episode, 2000)
Andrea Drusini ...
 Himself (1 episode, 2000)
Cynan Ellis-Evans ...
 Himself (1 episode, 2000)
Derek Elsworth ...
 Himself - Pennsylvania State University (1 episode, 2000)
Terry Facey ...
 Himself (1 episode, 2000)
Don Fitch ...
 Himself (1 episode, 2000)
Michael Fossel ...
 Himself (1 episode, 2000)
Richard Fox ...
 Himself (1 episode, 2000)
Robb Fraley ...
 Himself (1 episode, 2000)
Daniel Frascone ...
 Himself (1 episode, 2000)
Wendy Freeman ...
 Herself (1 episode, 2000)
Hermann Fritz ...
 Himself - Swiss Federal Institute of Technology (1 episode, 2000)
Roy Fuchs ...
 Himself (1 episode, 2000)
Paula Fujiwara ...
 Herself (1 episode, 2000)
Justine Gaborit ...
 Herself (1 episode, 2000)
...
 Herself (1 episode, 2000)
George Gatewood ...
 Himself (1 episode, 2000)
Stanton Gerson ...
 Himself (1 episode, 2000)
William Gibbons ...
 Himself (1 episode, 2000)
Hugh Glostner ...
 Himself (1 episode, 2000)
Roger Gorski ...
 Himself (1 episode, 2000)
Mel Grumbach ...
 Himself (1 episode, 2000)
Sandeep Gupta ...
 Himself (1 episode, 2000)
Henry Harpending ...
 Himself - University of Utah (1 episode, 2000)
John Harris ...
 Himself - Page Museum, Los Angeles (1 episode, 2000)
Brian Harrison ...
 Himself (1 episode, 2000)
Gerald Hawkins ...
 Himself (1 episode, 2000)
Richard Hayes ...
 Himself (1 episode, 2000)
Ellen Hebber-Katz ...
 Herself (1 episode, 2000)
Albert Heisse ...
 Himself (1 episode, 2000)
Greg Henry ...
 Himself (1 episode, 2000)
Luis Herrera-Estrella ...
 Himself (1 episode, 2000)
Bill Hines ...
 Himself (1 episode, 2000)
Thomas Holtz ...
 Himself - University of Maryland (1 episode, 2000)
Leroy Hood ...
 Himself (1 episode, 2000)
Keith Horne ...
 Himself (1 episode, 2000)
Ruth Hudson ...
 Herself (1 episode, 2000)
Lynn Jorde ...
 Himself - University of Utah (1 episode, 2000)
Andrei Kapitsa ...
 Himself (1 episode, 2000)
Jennifer Keith ...
 Herself (1 episode, 2000)
Lindsay Kickert ...
 Herself (1 episode, 2000)
Edward Kiely ...
 Himself (1 episode, 2000)
Richard Kolodner ...
 Himself (1 episode, 2000)
Dasha Krivoshlyapova ...
 Herself (1 episode, 2000)
Masha Krivoshlyapova ...
 Herself (1 episode, 2000)
Kenny Lakeberg ...
 Himself (1 episode, 2000)
Tom Lehner ...
 Himself (1 episode, 2000)
Juan Carlos Leiva ...
 Himself (1 episode, 2000)
Pierre Leriche ...
 Himself (1 episode, 2000)
Cody Lloyd ...
 Herself (1 episode, 2000)
Damian Loughran ...
 Himself (1 episode, 2000)
Josephine Loughran ...
 Herself (1 episode, 2000)
Henry Lynch ...
 Himself (1 episode, 2000)
Duccio Macchetto ...
 Himself - Space Telescope Science Institute (1 episode, 2000)
Mike Mahan ...
 Himself (1 episode, 2000)
Stacy Marking ...
 Herself (1 episode, 2000)
Jeff Markway ...
 Himself (1 episode, 2000)
Kathleen Markway ...
 Herself (1 episode, 2000)
Phil Markway ...
 Himself (1 episode, 2000)
Emma Martin ...
 Herself (1 episode, 2000)
Robert May ...
 Himself (1 episode, 2000)
Paul Mayho ...
 Himself (1 episode, 2000)
Michel Mayor ...
 Himself (1 episode, 2000)
Joe McCormick ...
 Himself (1 episode, 2000)
Gary McMurtry ...
 Himself - University of Hawaii (1 episode, 2000)
John Money ...
 Himself (2 episodes, 2000-2004)
Lou Montagnino ...
 Himself (1 episode, 2000)
Tom Murray ...
 Himself (1 episode, 2000)
Mark Newton ...
 Himself - Oxford University (1 episode, 2000)
Mark Norell ...
 Himself - American Museum of Natural History (1 episode, 2000)
Hazel North ...
 Herself (1 episode, 2000)
Fernando Novas ...
 Himself - Argentina Museum of Natural Sciences (1 episode, 2000)
Joseph Odhuko ...
 Himself (1 episode, 2000)
Gilbert Ogutu ...
 Himself (1 episode, 2000)
Tom Onyango ...
 Himself (1 episode, 2000)
Giuseppe Orefici ...
 Himself (1 episode, 2000)
Yuri Pal'yanov ...
 Himself - Russian Academy of Sciences (1 episode, 2000)
Doug Parr ...
 Himself (1 episode, 2000)
Julie Parsonett ...
 Herself (1 episode, 2000)
Bruce Patterson ...
 Himself (1 episode, 2000)
Charles Pellerin ...
 Himself - NASA Director of Astrophysics 1982-1992 (1 episode, 2000)
Jonathan Peter ...
 Himself (1 episode, 2000)
C.J. Peters ...
 Himself (1 episode, 2000)
Jean Robert Petit ...
 Himself (1 episode, 2000)
George Plafker ...
 Himself - US Geological Survey (1 episode, 2000)
Frank Plummer ...
 Himself (1 episode, 2000)
Ingo Potrykus ...
 Himself (1 episode, 2000)
John Priscu ...
 Himself (1 episode, 2000)
Miller Quarles ...
 Himself (1 episode, 2000)
Didier Queloz ...
 Himself (1 episode, 2000)
Philip Ransley ...
 Himself (1 episode, 2000)
Frank Rauscher ...
 Himself (1 episode, 2000)
Russell Reid ...
 Himself (1 episode, 2000)
David Reimer ...
 Himself (2 episodes, 2000-2004)
William Reiner ...
 Himself (1 episode, 2000)
Karl Reinhard ...
 Himself - University of Nebraska (1 episode, 2000)
Priscilla Reining ...
 Herself (1 episode, 2000)
Catharine Abadie Reynal ...
 Herself (1 episode, 2000)
...
 Himself (1 episode, 2000)
Bud Rigby ...
 Himself (1 episode, 2000)
Heinz Rode ...
 Himself (1 episode, 2000)
Josue Lancho Rojas ...
 Himself (1 episode, 2000)
Michael Rose ...
 Himself (1 episode, 2000)
Tom Sanders ...
 Himself (1 episode, 2000)
Serban Sarbu ...
 Himself (1 episode, 2000)
George Schappell ...
 Herself (1 episode, 2000)
Lori Schappell ...
 Herself (1 episode, 2000)
Richard Setlow ...
 Himself (1 episode, 2000)
...
 Himself (1 episode, 2000)
Jerry Shay ...
 Himself (1 episode, 2000)
Roger Short ...
 Himself (1 episode, 2000)
Daniel Sibeso ...
 Himself (1 episode, 2000)
Robert Smith ...
 Himself (1 episode, 2000)
Robert B. Smith ...
 Himself - University of Utah (1 episode, 2000)
Carlos Sorini ...
 Himself (1 episode, 2000)
Steve Sparks ...
 Himself - University of Bristol (1 episode, 2000)
Paul Spear ...
 Himself - De Beers (1 episode, 2000)
Lewis Spitz ...
 Himself (1 episode, 2000)
Dick Swaab ...
 Himself (1 episode, 2000)
Frank Taylor ...
 Himself (1 episode, 2000)
John Templeton ...
 Himself (1 episode, 2000)
Gerard Thebault ...
 Himself (1 episode, 2000)
John Trauger ...
 Himself - NASA Jet Propulsion Laboratory (1 episode, 2000)
Howard Ulrich ...
 Himself (1 episode, 2000)
Sonny Ulrich ...
 Himself (1 episode, 2000)
Mike Voorhies ...
 Himself - University of Nebraska (1 episode, 2000)
Ed Weiler ...
 Himself - Head of Space Science, NASA (1 episode, 2000)
Michael West ...
 Himself (1 episode, 2000)
Desiree Williams ...
 Herself (1 episode, 2000)
Logan Williams ...
 Himself (1 episode, 2000)
Michelle Williams ...
 Herself (1 episode, 2000)
Steve Williams ...
 Himself (1 episode, 2000)
Gavin Wright ...
 Himself (1 episode, 2000)
Woodring Wright ...
 Himself (1 episode, 2000)
Greg Wuertz ...
 Himself (1 episode, 2000)
Magdi Yacoub ...
 Himself (1 episode, 2000)
Daniel Yarosh ...
 Himself (1 episode, 2000)
Per Ahlberg ...
 Himself - The Natural History Museum, London (1 episode, 2001)
Leslie Aiello ...
 Herself (1 episode, 2001)
Valery Aleskin ...
 Himself (1 episode, 2001)
Severino Antinori ...
 Himself (1 episode, 2001)
Farooq Awan ...
 Himself (1 episode, 2001)
Mary Baker ...
 Herself (1 episode, 2001)
Michael Baumann ...
 Himself (1 episode, 2001)
Gary Beiter ...
 Himself (1 episode, 2001)
Thomas Belsher ...
 Himself (1 episode, 2001)
Valentin Bets ...
 Himself (1 episode, 2001)
Charles-François Boudouresque ...
 Himself (1 episode, 2001)
David Bowers ...
 Himself (1 episode, 2001)
Bob Brier ...
 Himself (1 episode, 2001)
David Brooks ...
 Himself (1 episode, 2001)
Jonathan Brotchie ...
 Himself (1 episode, 2001)
Hal Broxmeyer ...
 Himself (1 episode, 2001)
Mikhail Budyko ...
 Himself - State Hydrological Institute, St Petersburg (1 episode, 2001)
Bob Carr ...
 Himself (1 episode, 2001)
Michael Carr ...
 Himself (1 episode, 2001)
John Charles ...
 Himself (1 episode, 2001)
Jennifer Clack ...
 Herself - Cambridge University Museum of Zoology (1 episode, 2001)
Cady Coleman ...
 Herself (1 episode, 2001)
Henry Cordes ...
 Himself (1 episode, 2001)
Susan Cordes ...
 Herself (1 episode, 2001)
Marjorie Courtenay-Latimer ...
 Herself - East London Museum, South Africa (1 episode, 2001)
Alan Crossman ...
 Himself (1 episode, 2001)
Ted Daeschler ...
 Himself - Philadelphia Academy of Natural Sciences (1 episode, 2001)
Ahmed Hasan Dani ...
 Himself (1 episode, 2001)
Chris Dearborn ...
 Himself (1 episode, 2001)
Jayne Dearborn ...
 Herself (1 episode, 2001)
Jacqueline Dixon ...
 Herself (1 episode, 2001)
François Doumenge ...
 Himself (1 episode, 2001)
Mike Duke ...
 Himself (1 episode, 2001)
Justus Erus ...
 Himself (1 episode, 2001)
Matthew Farrow ...
 Himself (1 episode, 2001)
Richard Farrow ...
 Himself (1 episode, 2001)
Shirley Farrow ...
 Herself (1 episode, 2001)
Ron Federici ...
 Himself (1 episode, 2001)
Jerry Fishman ...
 Himself (1 episode, 2001)
Michael Foale ...
 Himself (1 episode, 2001)
Robert Foley ...
 Himself (1 episode, 2001)
Peter Fonagy ...
 Himself (1 episode, 2001)
Susan Fox ...
 Herself (1 episode, 2001)
Dale Frail ...
 Himself (1 episode, 2001)
Duane Gish ...
 Himself - Institute for Creation Research (1 episode, 2001)
Elaine Gluckman ...
 Herself (1 episode, 2001)
Daniel Goldin ...
 Himself (1 episode, 2001)
Matthew Golombek ...
 Himself (1 episode, 2001)
Leonid Gorshkov ...
 Himself (1 episode, 2001)
Anatoli Gregoriev ...
 Himself (1 episode, 2001)
Brian Harland ...
 Himself - Cambridge University (1 episode, 2001)
William Hartmann ...
 Himself (1 episode, 2001)
Heide Hauschild ...
 Herself (1 episode, 2001)
James Head ...
 Himself (1 episode, 2001)
Paul Hoffman ...
 Himself - Harvard University (1 episode, 2001)
Robert Hoffman ...
 Himself (1 episode, 2001)
Darden Hood ...
 Himself (1 episode, 2001)
Asma Ibrahim ...
 Herself (1 episode, 2001)
Peter Jenner ...
 Himself (1 episode, 2001)
Dan Johanson ...
 Himself (1 episode, 2001)
Kent Joosten ...
 Himself (1 episode, 2001)
Olivier Jousson ...
 Himself (1 episode, 2001)
Hayley Kew ...
 Herself (1 episode, 2001)
Ian Kew ...
 Himself (1 episode, 2001)
Julie Kew ...
 Herself (1 episode, 2001)
Joseph Kirschvink ...
 Himself - California Institute of Technology (1 episode, 2001)
Meike Kohler ...
 Herself (1 episode, 2001)
Olga Kolesnikov ...
 Herself (1 episode, 2001)
Joanne Kurtzberg ...
 Herself (1 episode, 2001)
Tim Lawrence ...
 Himself (1 episode, 2001)
Sasha Lazutkin ...
 Himself (1 episode, 2001)
Meave Leakey ...
 Herself (1 episode, 2001)
Peter Marshall ...
 Himself (1 episode, 2001)
Bonnie McEwan ...
 Herself (1 episode, 2001)
David McKay ...
 Himself (1 episode, 2001)
Harley Means ...
 Himself (1 episode, 2001)
Chip Meegan ...
 Himself (1 episode, 2001)
Alexandre Meinesz ...
 Himself (1 episode, 2001)
Barrie Mellor ...
 Himself (1 episode, 2001)
Lynne Michelle ...
 Herself (1 episode, 2001)
Jerald Milanich ...
 Himself (1 episode, 2001)
Chris Milroy ...
 Himself (1 episode, 2001)
Charlie Morton ...
 Himself (1 episode, 2001)
Gloria Morton ...
 Herself (1 episode, 2001)
Sergei Morton