Overview
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.
Cast
- Alexander Davion as Dr. Crawford
- David Hemmings as Roger Westcott
- Charles Tingwell as Captain Jaffe
- Peter Fraser as Donnie Chaffer
- Tony Wager as Jensen
- Keith Buckley as Scotty McIntyre
- David Savile as Gerry
- Geoffrey Kenion as Dave
- Barry Ashton as Frank
- David Munro as Ken