John Barrowman and Susanna Thompson in Arrow (2012)

John Barrowman and Katie Cassidy in Arrow (2012)

John Barrowman and Eve Myles in Torchwood (2006)

Mekhi Phifer, John Barrowman, Eve Myles, and Alexa Havins in Torchwood (2006)

Teri Hatcher, Drea de Matteo, and John Barrowman in Desperate Housewives (2004)

Drea de Matteo and John Barrowman in Desperate Housewives (2004)

John Barrowman in Desperate Housewives (2004)

Kevin Kline and John Barrowman in De-Lovely (2004)

John Barrowman and Beau Mirchoff in Desperate Housewives (2004)

John Barrowman, Emily Atack, and Sair Khan in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman and Emily Atack in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Nick Knowles, Harry Redknapp, Rita Simons, Fleur East, Emily Atack, Sair Khan, James McVey, Anne Hegerty, and Malique Thompson-Dwyer in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman and Anne Hegerty in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Nick Knowles, James McVey, Anne Hegerty, and Malique Thompson-Dwyer in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman and Malique Thompson-Dwyer in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Nick Knowles, Harry Redknapp, Emily Atack, and Sair Khan in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Nick Knowles, Harry Redknapp, Emily Atack, and Malique Thompson-Dwyer in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Nick Knowles, Sair Khan, and Malique Thompson-Dwyer in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Rita Simons, and Sair Khan in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman and Rita Simons in I'm a Celebrity, Get Me Out of Here! (2002)

John Barrowman, Jason Clarke, and Fredric Lehne in Zero Dark Thirty (2012)

James Gandolfini and John Barrowman in Zero Dark Thirty (2012)

John Barrowman, Manu Bennett, Katrina Law, Stephen Amell, Anna Hopkins, Echo Kellum, and Emily Bett Rickards in Arrow (2012)

John Barrowman, Eve Myles, and Gareth David-Lloyd in Torchwood (2006)

John Barrowman, Naoko Mori, Eve Myles, Burn Gorman, and Gareth David-Lloyd in Torchwood (2006)

Carol Burnett, Bronson Pinchot, John Barrowman, George Hearn, and Ruthie Henshall in Putting It Together (2001)