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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.
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| Release Date | 1965-10-11 |
|---|---|
| Runtime | 58m |
| Director | George Spenton-Foster |
| Producers | Irene Shubik, George Spenton-Foster |
| Writers | Alan Nourse, Philip Broadley |
