On Jupiter's moon Ganymede, an alien life-form has taken over the body of a human astronaut, creating an almost perfect copy. It then begins the long return journey to Earth.
Alexander Davion
Dr. Crawford
David Hemmings
Roger Westcott
Charles Tingwell
Captain Jaffe
Peter Fraser
Donnie Chaffer
Tony Wager
Jensen
Keith Buckley
Scotty McIntyre
David Savile
Gerry
Geoffrey Kenion
Dave
Barry Ashton
Frank
David Munro
Ken
Hedger Wallace
Commander
Lew Luton
Officer
Derek Martin
Guard
George Spenton-Foster
Director
Irene Shubik
Producer
Aug 23, 2014
Jun 23, 2006
Feb 11, 2008
Jul 21, 2009
Sep 6, 1978
Feb 17, 1996
Jul 29, 2008
Sep 30, 2022
BBC TV
GB
United Kingdom
English
