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Episodes cast for
"Space: 1999" (1975) More at IMDbPro »

Season: 1 | 2
Year: 1975 | 1976 | 1977


Season 1


Season 1, Episode 1: Breakaway

1 September 1975
The new commander of Moonbase Alpha's investigation of a mysterious disease uncovers the evidence of a far greater looming disaster.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Roy Dotrice ... Commissioner Simmonds
Prentis Hancock ... Paul Morrow
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Bob Mathias

Nick Tate ... Alan Carter
Philip Madoc ... Commander Gorski
Lon Satton ... Benjamin Ouma

Eric Carte ... Collins
Tony Allyn ... Security Guard (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Maxwell Craig ... Security Guard (uncredited)
Laurie Davis ... Stewardess (uncredited)
Joe Dunne ... Security Guard (uncredited)
Don Fellows ... GTV Newscaster (uncredited)
Alan Harris ... Alphan (uncredited)
Alf Joint ... Steiner (uncredited)
Barbara Kelly ... Computer (voice) (uncredited)
Chai Lee ... Main Mission Operative (uncredited)
Christopher Matthews ... Main Mission Operative (uncredited)
Quentin Pierre ... Security Guard (uncredited)

Shane Rimmer ... Eagle Pilot (voice) (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Roy Scammell ... Jim Nordstrom (uncredited)
Valerie Van Ost ... Main Mission Operative (uncredited)
Norma West ... Main Mission Operative (uncredited)
Paul Weston ... Main Mission Operative (uncredited)

Season 1, Episode 2: Force of Life

11 September 1975
A wandering energy force inhabits the body of Alpha technician Anton Zoref, turning him into an energy absorbing being.

Season 1, Episode 3: Collision Course

18 September 1975
After destroying an asteroid on a collision course with the moon, an even larger obstacle appears - an entire planet! On a recon mission, John Koenig encounters an inhabitant who convinces him- on the basis of faith- that the moon and the planet must collide. But no one else supports Koenig's stand.

Season 1, Episode 4: War Games

25 September 1975
Moonbase Alpha is attacked and devastated by warships from a nearby planet. With half of its population dead Alpha can no longer survive. Commander Koenig and Dr. Russel go to the alien world to plead for the survivors, but the inhabitants wish no one to disturb their serene existence.

Season 1, Episode 5: Death's Other Dominion

2 October 1975
On the ice world of Ultima Thule the Alphans encounter members of lost earth expedition who have achieved immortality- but at a price!

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Brian Blessed ... Dr. Cabot Rowland

John Shrapnel ... Capt. Jack Tanner
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Mary Miller ... Freda
Glenda Allen ... Thulian (uncredited)
Barbara Bermel ... Thulian (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Adrienne Burgess ... Revered One (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Jenny Devenish ... Thulian (uncredited)
Robert Driscoll ... Revered One (uncredited)
Joe Dunne ... Security Guard (uncredited)
David Ellison ... Ted (uncredited)
Carolyn Hudson ... Thulian (uncredited)
Annie Lambert ... Main Mission Operative (uncredited)
Margaret Lawley ... Revered One (uncredited)
John Lee Barber ... Thulian (uncredited)
Valerie Leon ... Thule Girl (uncredited)
Dave Murphy ... Thulian (uncredited)
Eddy Nedari ... Thulian (uncredited)
Terry Pendle ... Revered One (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Ian Ruskin ... Revered One (uncredited)
Ellen Sheean ... Revered One (uncredited)
Jack Shephard ... Thulian (uncredited)
Suzette St. Clair ... Thulian (uncredited)

Season 1, Episode 6: Voyager's Return

9 October 1975
The Alphans encounter the Voyager space probe that has been wandering the cosmos propelled by the Queller drive- a faulty engine system. Following the probe is a fleet of alien ships from a world devastated by the drive.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Jeremy Kemp ... Dr. Ernst Linden
Barry Stokes ... Jim Haines
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Alex Scott ... Aarchon
Lawrence Trimble ... Pilot Abrams
Tony Allyn ... Security Guard (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Maxwell Craig ... Astronaut in Corridor (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Alan Harris ... Alphan (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Anita West ... Technician (uncredited)
Chris Williams ... Main Mission Operative (uncredited)

Season 1, Episode 7: Alpha Child

16 October 1975
The Alphans' joy turns to horror when the first child born on the Alpha matures into a five year old in a matter of hours. This is only a prelude to the arrival of formless alien fugitives- who plan to inhabit Alpha's population.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Julian Glover ... Jarak
Cyd Hayman ... Sue Crawford
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Wayne Brooks ... Jackie
Tony Allyn ... Security Guard (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Gerry Crampton ... Aggressive Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
James Fagan ... Pilot Pete Johnson (uncredited)
Raymond Harris ... Main Mission Operative (uncredited)
Alf Joint ... Security Guard (uncredited)
Rula Lenska ... Joan Conway (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Maureen Tan ... Main Mission Operative (uncredited)
Vincent Wong ... Medic (uncredited)

Season 1, Episode 8: Dragon's Domain

23 October 1975
Discredited eagle pilot Tony Cellini is beset by recurring nightmares in which he was the only survivor of disastrous space mission. Now the moon is approaching the same set of circumstances that Cellini encountered.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman
Gianni Garko ... Tony Cellini
Douglas Wilmer ... Commissioner Dixon
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter

Barbara Kellerman ... Dr. Monique Bouchere (as Barbara Kellermann)

Michael Sheard ... Dr. Darwin King
Susan Jameson ... Professor Juliet Mackie
Tony Allyn ... Security Guard (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
James Fagan ... Ken Johnson (uncredited)
Ann Maj-Brit ... Main Mission Operative Ann (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Robert Rietty ... Voice of Cellini (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Bob Sherman ... Newscaster (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)

Gwen Taylor ... Nurse (uncredited)

Season 1, Episode 9: Mission of the Darians

30 October 1975
The Alphans encounter a miles-long ark from the planet Daria, where the inhabitants have a very distinctive class separation.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Joan Collins ... Kara
Dennis Burgess ... Neman

Aubrey Morris ... Petros High Priest
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes

Nick Tate ... Alan Carter
Paul Antrim ... Lowry
Robert Russell ... Hadin
Gerald Stadden ... Male Mute
Jackie Horton ... Female Mute
Binu Balani ... Main Mission Operative (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Jenny Cresswell ... Survivor (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Joe Dunne ... Security Guard (uncredited)
Linda Hooks ... Darian (uncredited)
Louise Jameson ... Survivor (uncredited)
Ann Maj-Brit ... Main Mission Operative Ann (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Ron Tarr ... Survivor (uncredited)

Season 1, Episode 10: Black Sun

6 November 1975
The moon is approaching a black hole. Professor Bergman is a able to rig up an energy shield around the moonbase, but Commander Koenig feels this is only a desperate measure and has an eagle with six personnel dispatched as the rest of the moonbase await certain death.

Season 1, Episode 11: Guardian of Piri

13 November 1975
Contact is made with the planet Piri, where the main computer created an idyllic life that led to extinction of its population through apathy. Now John Koenig must fight to save Alpha as his people fall under the same fate.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Catherine Schell ... Servant of the Guardian
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Michael Culver ... Pete Irving
Trevor Ainsley ... Technician (uncredited)
Tony Allyn ... Security Guard (uncredited)
Emily Bolton ... Operative June (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Maxwell Craig ... Security Guard (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Christine Donna ... Main Mission Operative (uncredited)
Joe Dunne ... Security Guard (uncredited)
Roy Everson ... Partying Alphan (uncredited)
James Fagan ... Ken Johnson (uncredited)
John Gleeson ... Voice of Davis (uncredited)
Alan Harris ... Main Mission Operative (uncredited)
Raymond Harris ... Main Mission Operative (uncredited)
Gareth Hunt ... Eagle Pilot (uncredited)
Barbara Kelly ... Computer Voice (uncredited)
Juliet King ... Nurse (uncredited)
John Lee Barber ... Ed Davis (uncredited)
Quentin Pierre ... Security Guard Pierce (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)

Season 1, Episode 12: End of Eternity

20 November 1975
While exploring a cavern in an asteroid, the Alphans release Balor, a sadistic alien who has achieved immortality.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Peter Bowles ... Balor
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
James Smilie ... Baxter (as Jim Smilie)
Glenda Allen ... Nurse (uncredited)
Tony Allyn ... Security Guard (uncredited)
Robert Atiko ... Technician (uncredited)
Binu Balani ... Operative (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Laurie Davis ... Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Joe Dunne ... Security Guard (uncredited)
Martin Grace ... Security Guard (uncredited)
Alan Harris ... Patient (uncredited)
Raymond Harris ... Main Mission Operative (uncredited)
Judith Hepburn ... Nurse (uncredited)
Laraine Humphrys ... Information Girl (uncredited)
Paul Kirby ... Medic (uncredited)
Kathleen Mallory ... Nurse (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Jan Rennison ... Main Mission Operative (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Colin Skeaping ... Security Guard (uncredited)

Eddie Stacey ... Security Guard (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Paul Weston ... Security Guard (uncredited)
Chris Williams ... Medic (uncredited)
Vincent Wong ... Toshiro Fujita (uncredited)

Season 1, Episode 13: Matter of Life and Death

27 November 1975
Dr. Russell's presumed-dead husband mysteriously reappears on a reconnaissance mission to a nearby planet.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Richard Johnson ... Lee Russell
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Stuart Damon ... Parks
Tony Allyn ... Security Guard (uncredited)
Jeremy Anthony ... Main Mission Operative (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Saad Ghazi ... Medic (uncredited)
Alan Harris ... Main Mission Operative (uncredited)
Barbara Kelly ... Computer Voice (uncredited)
Chai Lee ... Main Mission Operative (uncredited)
Christopher Matthews ... Main Mission Operative (uncredited)
John Oxley ... Bannion (uncredited)
Quentin Pierre ... Security Guard (uncredited)

Shane Rimmer ... Voice of Bannion (uncredited)
Suzanne Roquette ... Tanya alexandr (uncredited)

Season 1, Episode 14: Earthbound

4 December 1975
A vessel of alien pacifists, bound for Earth, lands on the moon. They are greeted as friends by all- except Commissioner Simmons who sees their vessel as way to return home.

Season 1, Episode 15: The Full Circle

11 December 1975
While exploring an Earth-type world several Alphans, including Commander Koenig and Dr. Russel, disappear after sighting a strange fog. Shortly afterwards a race of primitive humans are encountered.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter

Oliver Cotton ... Spearman
Glenda Allen ... Nurse / Cavewoman (uncredited)
Tony Allyn ... Security Guard (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Annie Lambert ... Main Mission Operative (uncredited)
Chai Lee ... Nurse (uncredited)
Kathleen Mallory ... Nurse (uncredited)
Alan Meacham ... Sandos (uncredited)
Robert Phillips ... Main Mission Operative (uncredited)
Colin Rix ... Eagle One Co-Pilot (uncredited)
Suzanne Roquette ... Tanya Alexandr (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Lynda Westover ... Alphan (uncredited)
Chris Williams ... Caveman (uncredited)

Season 1, Episode 16: Another Time, Another Place

18 December 1975
A distortion in time produces two separate moons, with two separate Alphas from different eras.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Judy Geeson ... Regina Kesslann
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Tony Allyn ... Security Guard (uncredited)
Emily Bolton ... Operative June (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Alan Harris ... Main Mission Operative (uncredited)
Barbara Kelly ... Computer Voice (uncredited)
Claire McLellan ... Morrow's Daughter (uncredited)
Robert Phillips ... Main Mission Operative (uncredited)
Quentin Pierre ... Security Guard Pierre (uncredited)
Alan Roberto ... Morrow's Son (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)

Season 1, Episode 17: The Last Sunset

1 January 1976
As the Alphans are planning to explore the planet Ariel, a 'missile' attaches itself to the en route Eagle. Upon returning to Alpha, the 'missile' gives the Alphans a lunar atmosphere. But the joy at the possibility of making a new world out of the Moon is short lived, as the moon does not enter orbit around the planet or its sun, and Alpha faces destruction from the newly acquired lunar air.

Season 1, Episode 18: The Infernal Machine

8 January 1976
The Alphans encounter Delmer Plebus Powells Gwent, a huge spacecraft that defies aerodynamics and is an extension of Gwent's genius and ego.

Season 1, Episode 19: Ring Around the Moon

15 January 1976
Maintenance technician Fred Clifford is possessed by an eerie yellow glow, which ultimately kills him. It transpires that it is coming from a planet called Triton, which captures the Alphans and insists that Helena should become the Eyes of Triton. Before long she is acting just as Fred Clifford did before his death...

Season 1, Episode 20: Missing Link

22 January 1976
After Commander Koening's Eagle crashes on the planet Zenno, his soul is captured and scrutinized by a resident alien, due to the fact that we humans appear to be their missing link.

Season 1, Episode 21: Space Brain

29 January 1976
Alien hieroglyphics appear on all of Alpha's screens and Koenig sends an Eagle to investigate. The Eagle is lost and the pilot is taken over by a huge, alien 'Space Brain', using him as a channel to make the Alphans do its bidding. Koenig has to destroy it.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman

Shane Rimmer ... James Kelly
Carla Romanelli ... Melita Kelly
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Bob Mathias

Nick Tate ... Alan Carter
Derek Anders ... Wayland
Tony Allyn ... Security Guard (uncredited)
Robert Atiko ... Technician (uncredited)
Sarah Bullen ... Kate - Main Mission Operative (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Laurie Davis ... Main Mission Operative (uncredited)
Carol Dee ... Patient (uncredited)
Jacqueline Delhaye ... Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Joe Dunne ... Security Guard (uncredited)
Alan Harris ... Alphan (uncredited)
Judith Hepburn ... Nurse (uncredited)
Ann Maj-Brit ... Main Mission Operative (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Diana Reeves ... Nurse (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Mike Sirett ... Technician (uncredited)
James Snell ... Cousteau (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Erica Svenson ... Nurse (uncredited)

Season 1, Episode 22: The Troubled Spirit

5 February 1976
Dan Mateo, the Alphans' botanist, believes that he can communicate telepathically with his plants but collapses. He comes to and appears to be fit and well but he is turning into a murderous and disfigured ghost who has been taken over by an alien manifestation.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman
Giancarlo Prete ... Dan Mateo
Hilary Heath ... Laura Adams (as Hilary Dwyer)
Anthony Nicholls ... Dr. James Warren
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes
Anton Phillips ... Dr. Mathias

Nick Tate ... Alan Carter
Tony Allyn ... Security Guard (uncredited)
Robert Atiko ... Technician (uncredited)
Binu Balani ... Main Mission Operative (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Loftus Burton ... Main Mission Operative (uncredited)
Maxwell Craig ... Security Guard / Audience Member (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Xanthi Gardner ... Female Botanist (uncredited)
Judith Hepburn ... Nurse (uncredited)
Vernon Morris ... Male Botanist (uncredited)
Valentino Musetti ... Spirit Mateo (uncredited)
Eddy Nedari ... Technician (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Jan Rennison ... Nurse (uncredited)
Robert Rietty ... Voice of Mateo (uncredited)
Suzanne Roquette ... Tanya Aleksandr (uncredited)
Richard Shore ... Technician (uncredited)
Big Jim Sullivan ... Musician (uncredited)
Chris Williams ... Medic (uncredited)

Season 1, Episode 23: The Testament of Arkadia

12 February 1976
The Alphans land on the planet Arkadia, where hieroglyphics suggest that it is the cradle of civilization from which life on Earth began. Now it is desolate and cheerless and Koenig feels that it is unsuitable for colonization. Two renegade crew members have other ideas, however, and take Helena hostage in their demands to settle on Arkadia.

Season 1, Episode 24: The Last Enemy

19 February 1976
The Alphans find themselves caught up in a long-running war between two rival planets, Betha and Delta. When Betha appears to have been hit its commander Dione seeks sanctuary with the Alphans. Koenig attempts to negotiate a truce but Dione has other ideas...

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell
Barry Morse ... Prof. Victor Bergman
Caroline Mortimer ... Dione
Prentis Hancock ... Paul Morrow
Clifton Jones ... David Kano
Zienia Merton ... Sandra Benes

Nick Tate ... Alan Carter
Maxine Audley ... Theia
Kevin Stoney ... Talos
Carolyn Courage ... First Girl
Tony Allyn ... Security Guard (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Robert Case ... Security Guard (uncredited)
Laurie Davis ... Main Mission Operative (uncredited)
Andy Dempsey ... Main Mission Operative (uncredited)
Raymond Harris ... Main Mission Operative (uncredited)
Linda Hooks ... Alien Girl (uncredited)
John Lee Barber ... Eagle Pilot (uncredited)
Claire Lutter ... Main Mission Operative (uncredited)
Quentin Pierre ... Security Guard (uncredited)

Shane Rimmer ... Eagle Pilot (uncredited)
Suzanne Roquette ... Tanya Alexandr (uncredited)
Michael Stevens ... Main Mission Operative (uncredited)
Andy Sutcliffe ... Main Mission Operative (uncredited)

Season 2


Season 2, Episode 1: The Metamorph

4 September 1976
An Eagle is sent onto the surface of the planet Psychon, which has titanium, needed for repairs to the Alpha Base. It fails to return and is used by Psychon scientist Mentor as a bait with which to entice other members of the Alphan crew onto the planet. Mentor is building a computer but it will be fuelled by the living brains of humans, and he has his eye on those of the Alphan crew. Fortunately his daughter, the shape-shifting Maya, does not share her father's views and is on the side of the Alphans.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes

Brian Blessed ... Mentor
Anouska Hempel ... Annette Fraser
John Hug ... Bill Fraser
Gerard Paquis ... Lew Picard
Peter Porteous ... Petrov

Nick Brimble ... Ray Torens
Anton Phillips ... Dr. Mathias
Sarah Bullen ... Operative Kate (uncredited)
George Lane Cooper ... Overseer (uncredited)
Jenny Cresswell ... Receptionist / Operative (uncredited)
John Dixon ... Alien in cave (uncredited)
Alf Joint ... Overseer (uncredited)
Reuben Martin ... Gorilla (uncredited)
Neil McCaul ... Alien in cave (uncredited)
Nina Mitchen ... Alphan (uncredited)
Geoffrey Moon ... Short alien in cave (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Pam Rose ... Command Center Operative (uncredited)
Roy Stewart ... Tall alien in cave (uncredited)

Season 2, Episode 2: The Exiles

11 September 1976
With Maya now a crew member the Alphans discover a young couple called Cantor and Zova who have been in suspended animation for some while. They claim that they are exiles from the planet Golos, following an invasion, and ask for the help of Alphan crew members to restore the planet to them. Helena and Tony accompany them to the planet Golos, where it is apparent that they are not the young innocents they appeared to be.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes
Peter Duncan ... Cantar
Stacy Dorning ... Zova
Margaret Inglis ... Mirella
Anthony Blackett ... Stal
Peggy Ledger ... Old Lady
Anton Phillips ... Dr. Mathias
Glenda Allen ... Operative (uncredited)
Vic Armstrong ... Rescue Worker (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Jenny Cresswell ... Nurse (uncredited)
Andy Cummings ... Operative (uncredited)
Roy Everson ... Life Support Guard (uncredited)
Frank Maher ... Decontamination Operative (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Peter Porteous ... Petrov (uncredited)
Charlie Price ... Guard (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Pam Rose ... Command Center Operative (uncredited)
Bill Westley ... Security Guard (uncredited)

Season 2, Episode 3: Journey to Where

18 September 1976
A transmission from Dr. Logan in Texas City leads the Alphans to believe that they can finally land back on Earth, though they have travelled through time and, when they touch down in Texas City, they will be in the twenty-second century. However, due to a hitch, they find themselves in a barren and hostile environment. It is Scotland in the fourteenth century where the Scots are at war with the English invaders.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter

Freddie Jones ... Dr. Charles Logan

Isla Blair ... Carla
Jeffery Kissoon ... Dr. Ben Vincent
Yasuko Nagazumi ... Yasko
Roger Bizley ... MacDonald
Laurence Harrington ... Jackson
Norwich Duff ... 1st Operative Texas
Peggy Paige ... The Old Crone
Peter Brayham ... Clansman (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Tim Condren ... Clansman (uncredited)
Jenny Cresswell ... Operative (uncredited)
Doug Robinson ... Clansman (uncredited)

Eddie Stacey ... Clansman (uncredited)
Terry Walsh ... Clan Guard (uncredited)

Season 2, Episode 4: One Moment of Humanity

25 September 1976
A sinister woman called Zamara materializes on the shop, forcing Helena and Tony to accompany her to the planet of Vega, whose natives are anything but friendly. A servant of the Vegans, known only as Number Eight, informs the two Alphans that he and his race are the natural inhabitants of the planet and that Zamara and her race are androids, who, it turns out, want the Alphans to teach them warfare.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes

Billie Whitelaw ... Zamara
Leigh Lawson ... Zarl
Geoffrey Bayldon ... Number Eight
Glenda Allen ... Number (uncredited)
Jürgen Andersen ... Vegan (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Micky Clarke ... Number (uncredited)
Zena Clifton ... Vegan (uncredited)
Maggie Henderson ... Vegan (uncredited)
Laraine Humphrys ... Vegan (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Barry Rohde ... Vegan (uncredited)
Pam Rose ... Command Center Operative (uncredited)

Season 2, Episode 5: Brian the Brain

2 October 1976
The Alphans encounter an eccentric and intelligent robot who is known as Brian the Brain. Brian's creator Captain Michael and his crew have all died in mysterious circumstances and Brian asks for the help of Koenig and his crew. However, it soon becomes very apparent that Brian is anything but harmless and was in fact responsible for the deaths of Captain Michael and his colleagues. And he is ready to do the same to the Alphans.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Bernard Cribbins ... Captain Michael
John Hug ... Fraser
Marc Zuber ... Security Lieutenant
Michael Sharvell-Martin ... Brian / Robot
Annie Lambert ... 1st Operative
Yasuko Nagazumi ... Yasko
Quentin Pierre ... Security Guard (uncredited)
Pam Rose ... Operative (uncredited)

Season 2, Episode 6: New Adam New Eve

9 October 1976
The tall and imposing Magus arrives on board the ship. He claims godlike powers, namely that he effected the Creation. But he is now disillusioned with the way that Life has progressed and wishes to start again. He plans to mate Helena and Tony and Maya with Koenig. But of course he is not God but a renegade cosmic sorcerer, and quite illogical at that, who needs to be controlled.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter

Guy Rolfe ... Magus

Bernard Kay ... Humanoid
Albin Pahernik ... Maya / Creature
Annie Lambert ... 1st Operative
Barbara Wise ... Beautiful Girl
Yasuko Nagazumi ... Yasko
Glenda Allen ... Operative (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Terry Yorke ... Ape Man (uncredited)

Season 2, Episode 7: The Mark of Archanon

16 October 1976
The latest extra-terrestials to be rescued by the Moon Alpha Base crew are Pasc and his young son Etrec. They are from the usually peaceful planet of Archaron and they claim that they are victims of a rebellion, engineered by Pasc's wife Lyra. However, Helena discovers that they have both been infected with a virus which makes them considerably less friendly and more deadly than their initial claim.

Season 2, Episode 8: The Rules of Luton

23 October 1976
Whilst Koenig and Maya are exploring a planet called Luton,which is lush in vegetation, she picks a flower and he helps himself to some fruit. As a result they are put on trial for murder by three talking trees, the Judges of Luton. The trial is by combat and the pair must face three aliens, one with superstrength, one which can render itself invisible and one which can teleport.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi
David Jackson ... Alien Strong
Godfrey James ... Alien Transporter
Roy Marsden ... Alien Invisible
Yasuko Nagazumi ... Yasko
Jenny Cresswell ... Operative (uncredited)
Annie Lambert ... Operative (uncredited)

Season 2, Episode 9: All That Glisters

28 October 1976
The Alpha Moonbase needs a rare ore known as Milgonite, which is detected on an extremely dry planet. Koenig leads a small landing force and discovers a glowing rock formation which comes alive and cuts off the party's links with the base. It is a trap - the planet needs water to survive and has lured the travellers there for the water in their bodies.

Season 2, Episode 10: The Taybor

4 November 1976
The expansive Taybor, an inter-galactic merchant arrives from hyper-space on his ship the 'Emporium'. He is offering to sell things to the Alphans. Koenig realizes that if the Taybor sold them his space-ship, it would enable the Alphans to fly back to Earth, but the price the Taybor is asking for this transaction is Maya.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi
Willoughby Goddard ... Taybor
Jeffery Kissoon ... Dr. Ben Vincent
John Hug ... Fraser
Yasuko Nagazumi ... Yasko
Laraine Humphrys ... Karen (as Larraine Humphrys)
Rita Webb ... Slatternly Woman
Mel Taylor ... Andrews
Glenda Allen ... Operative (uncredited)
Sarah Bullen ... Operative Kate (uncredited)
Jenny Clare ... Alphan Girl (uncredited)
Chai Lee ... Anna Wong (uncredited)

Vicki Michelle ... Barbara (uncredited)

Season 2, Episode 11: Seed of Destruction

11 November 1976
Whilst he is exploring an asteroid Koenig is taken over by an alien race known as the Kalthon, who replace him with an exact double. In consequence every action ordered by the fake Koenig is solely for the benefit of the Kalthon and to the detriment of the welfare of the Alphans. Helena realizes that something is wrong when 'Koenig' is cold to the touch and needs to convince the other crew members.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes
Jeffery Kissoon ... Dr. Ben Vincent
Martha Nairn ... Female Operative
Jack Klaff ... Guard
James Leith ... Guard
Albin Pahernik ... Creature
Glenda Allen ... Operative (uncredited)
Jenny Cresswell ... Operative (uncredited)
Quentin Pierre ... Security Guard Pierre (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Pam Rose ... Command Center Operative (uncredited)

Season 2, Episode 12: The AB Chrysalis

18 November 1976
The Alphans land on a planet seemingly devoid of any human existence but being run by a group of machines. The machines explain to the visitors that their human overlords are in a state of regeneration but the chief machine, the Guardian,sees the Alphans as posing a threat and it is down to two newly regenerated females known as A and B to decide their fates.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya

Nick Tate ... Alan Carter
Ina Skriver ... A

Sarah Douglas ... B
Robert Rietty ... Sphere (voice)
John Hug ... Bill Fraser
David Sebastian Bach ... Guardian's Brother
Sarah Bullen ... Kate
Albin Pahernik ... Creature
Yasuko Nagazumi ... Yasko
Glenda Allen ... Operative (uncredited)
Jenny Cresswell ... Operative (uncredited)
Harry Fielder ... Medic (uncredited)
Quentin Pierre ... Security Guard Pierre (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Pam Rose ... Command Center Operative (uncredited)

Season 2, Episode 13: Catacombs of the Moon

25 November 1976
Ship's engineer Tony Osgood believes he can obtain titanium, to make a new heart for his sick wife Michelle, from the catacombs of the moon, using dynamite. The explosion which follows gives him a vision of the future in which the ship is pursued by a fireball and this comes true. Though Helena is making a new heart for Michelle, Osgood becomes impatient and drags his wife back into the catacombs, giving Koenig a double task - to avoid the fireball and save the Osgoods.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi
Zienia Merton ... Sandra Benes
James Laurenson ... Patrick Osgood

Pamela Stephenson ... Michelle Osgood
Jeffery Kissoon ... Dr. Ben Vincent
Lloyd McGuire ... First Engineer
Brendan Price ... Security Guard
Alan Hunter ... Co-Pilot
Nova Llewellyn ... 1st Alphan Woman
Glenda Allen ... Operative (uncredited)
Jenny Cresswell ... Operative (uncredited)
Harry Fielder ... Security Guard (uncredited)
Quentin Pierre ... Security Guard Pierre (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Saul Reichlin ... Second Mining Engineer (uncredited)
Pam Rose ... Command Center Operative (uncredited)
Felicity York ... Alphan in corridor #2 (uncredited)

Season 2, Episode 14: Space Warp

2 December 1976
Koenig and Verdeschi are sucked into a space warp. A feverish Maya is stricken with a fever that causes her to transform into a repulsive space monster.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes
Jeffery Kissoon ... Dr. Ben Vincent
Peter Porteous ... Petrov

Tony Osoba ... 1st Security Guard
John Judd ... 2nd Security Guard
Trevor Thomas ... Refuel Eagle Pilot
Andrew Lodge ... Grasshopper
Joe Dunne ... Elevator Security Guard (uncredited)

Nick Hobbs ... Security Guard (uncredited)
Quentin Pierre ... Security Guard Pierre (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Terry Walsh ... Technician (uncredited)

Season 2, Episode 15: A Matter of Balance

9 December 1976
Several crew members explore the planet Sunin, including botanist Shermeen Williams, who appears to have visionary gifts. She links up with an alien, called Vindrus, who wants her help in transferring his body and that of his race, into solid matter, giving them proper human form so that they can join the universe as real matter. However, for every one of his race made flesh, an Alphan must lose their matter.

Season 2, Episode 16: The Beta Cloud

16 December 1976
A strange cloud drifts over the base and causes most of the crew to be stricken with illness. A monster, the 'cloud creature' appears out of the cloud and runs amok on the base. A voice from the cloud explains its purpose. The base must give up its life support in order to prevent the cloud from dying. With most of the crew indisposed through illness, it is down to Maya to employ her shape-shifting skills to beat the creature.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes

David Prowse ... Cloud Creature (as Dave Prowse)
John Hug ... Bill Fraser
Albin Pahernik ... Space / Kreno Animal
Joe Dunne ... Security Guard (uncredited)
Roy Everson ... Les Johnston (uncredited)
Harry Fielder ... Gerry (uncredited)
Robert Reeves ... Peter Reeves (uncredited)

Season 2, Episode 17: The Lambda Factor

23 December 1976
Lamda waves permeate the Base, causing instruments to malfunction and people to behave out of character. Crew member Sally dies in mysterious circumstances. it eventually becomes clear to Koenig that the waves have taken over Carolyn Powell, whose lover was previously Sally's boyfriend, and they have augmented her senses, giving her a superior form of telepathy. Koenig must do battle with her to prevent her, as the Lamda waves' vessel, taking over the Base.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes
Deborah Fallender ... Carolyn Powell
Jess Conrad ... Mark Sanders
Anthony Stamboulieh ... George Crato
Michael Walker ... Carl Renton
Gregory de Polnay ... Peter Garforth
Lydia Lisle ... Sally Martin
Lucinda Curtis ... Tessa
Dallas Adams ... Sam
Glenda Allen ... Operative (uncredited)
Jenny Cresswell ... Alphan (uncredited)
Harry Fielder ... Command Center Technician (uncredited)
Robert Reeves ... Peter Reeves (uncredited)

Shane Rimmer ... Maintenance Section Voice (voice) (uncredited)
Pam Rose ... Operative (uncredited)

Season 2, Episode 18: The Bringers of Wonder: Part 1

4 August 1977
While unconscious and connected to an experimental brain machine, Koenig dreams that he and his friends are on the way home. Upon awakening everyone appears to be hideous monsters.

Season 2, Episode 19: The Bringers of Wonder: Part 2

11 August 1977
Koenig convinces Helena and Maya that their supposed rescuers from earth are really hostile aliens who want a nuclear explosion on Moonbase Alpha.

Season 2, Episode 20: The Seance Spectre

18 August 1977
Some subterranean miner start chanting for a planet that will cause the Moon to pass through a nebula deadly to those living at Moonbase Alpha.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Zienia Merton ... Sandra Benes

Ken Hutchison ... Greg Sanderson (as Ken Hutchinson)

Carolyn Seymour ... Eva
Nigel Pegram ... Cernik
James Snell ... Stevens
Gyearbuor Asante ... Guard (as Christopher Asante)
Jenny Cresswell ... Nurse (uncredited)
Harry Fielder ... Security Guard (uncredited)

Caroline Munro ... Girl in Picture (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Terry Walsh ... Security Guard (uncredited)
Paul Weston ... Medical Security Guard (uncredited)

Season 2, Episode 21: Dorzak

25 August 1977
When a ship carrying a prisoner lands at Moonbase Alpha after asking for assistance, Maya insists that the prisoner is a poet and not a murderer and releases him.

Martin Landau ... Commander John Koenig (credit only)

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter
Lee Montague ... Dorzak
Jill Townsend ... Sahala

Kathryn Leigh Scott ... Yesta
Sam Dastor ... Dr. Ed Spencer
Seretta Wilson ... Clea

Richard LeParmentier ... Ed Malcolm (as Richard Le Parmentier)
Yasuko Nagazumi ... Yasko
Paul Jerricho ... 1st Security Guard
John Judd ... 2nd Security Guard
Jenny Cresswell ... Alphan (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Marc Smith ... Voice of Alien Computer (uncredited)

Season 2, Episode 22: Devil's Planet

1 September 1977
After investigating a planet where all humanoid life had been eradicated, Koenig becomes trapped in a prison on one of the moons where no one knows that their planet has been wiped out.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell (archive footage)

Catherine Schell ... Maya (archive footage)
Tony Anholt ... Tony Verdeschi
Hildegard Neil ... Elizia
Roy Marsden ... Crael
Dora Reisser ... Interrogator

Cassandra Harris ... Sares / Controller

Angus MacInnes ... Jelto
Arthur White ... Kinano
Michael Dickinson ... Blake Maine
John Hug ... Fraser
Alibe Parsons ... Alibe
Sam Dastor ... Dr. Ed Spencer
Del Baker ... Hunted Man (uncredited)
Peter Brayham ... Garth (uncredited)
Jenny Cresswell ... Operative (uncredited)
Geoffrey Greenhill ... Phirly (uncredited)
Alan Harris ... Entran Prisoner (uncredited)
Rikki Howard ... Guard (uncredited)
Beulah Hughes ... Guard (uncredited)
Robert Reeves ... Peter Reeves (uncredited)
Vida Taylor ... Guard (uncredited)
Katya Wyeth ... Guard (uncredited)
Felicity York ... Guard (uncredited)

Season 2, Episode 23: The Immunity Syndrome

29 October 1977
The arrival of the Alphans on another planet seems to cause a change in its atmosphere, setting off pollution and poisoning of the water. They meet Zoran, the sole survivor of the last exploratory force, who tells them that the planet is controlled by an immortal being - with whom Koenig must parley if he and his crew are to leave the planet alive.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter

Nadim Sawalha ... Zoran
Karl Held ... Jerry Travis
Sam Dastor ... Dr. Ed Spencer
John Hug ... Bill Fraser
Hal Galili ... Voice
Alibe Parsons ... Alibe
Walter McMonagle ... Les Johnson
Roy Boyd ... Joe Lustig
Jenny Cresswell ... Operative (uncredited)
Harry Fielder ... Survey Team Member (uncredited)
Jack Klaff ... Security Guard (uncredited)
Quentin Pierre ... Moonbase Alpha guard (uncredited)
Robert Reeves ... Peter Reeves (uncredited)

Season 2, Episode 24: The Dorcons

12 November 1977
The Dorcans demand that Moonbase Alpha hand over Maya so that the use of her brain stem can continue their immortal existence.

Martin Landau ... Commander John Koenig

Barbara Bain ... Dr. Helena Russell

Catherine Schell ... Maya
Tony Anholt ... Tony Verdeschi

Nick Tate ... Alan Carter

Patrick Troughton ... Archon
Ann Firbank ... Consul Varda
Gerry Sundquist ... Malic
Alibe Parsons ... Alibe
Laurence Harrington ... Stewart
Kevin Sheehan ... 1st Dorcon Operative
Michael Halsey ... 1st Dorcon Soldier
Hamish Patrick ... Command Center Alphan
Hazel McBride ... Female Medical Officer
Del Baker ... Dorcon Soldier (uncredited)
Peter Brayham ... Security Guard (uncredited)
Maxwell Craig ... Security Guard (uncredited)
Jenny Cresswell ... Maya Transformation (uncredited)
Chris Diggins ... Alphan (uncredited)
Harry Fielder ... Medic (uncredited)
Frank Henson ... Security Guard (uncredited)
Quentin Pierre ... Security Guard (uncredited)
Roy Scammell ... Space Animal (uncredited)
Les White ... Dorcon Soldier (uncredited)

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