STORY
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 & CREW
- Alexander Davion
- David Hemmings
- Charles Tingwell
- Peter Fraser
- Tony Wager
Cast
- George Spenton-Foster
Director
INFORMATION
- BBC TV
Production Companies
Production Countries
LANGUAGES
