Overview
The inhabitants of Ganymede need to find mates from another world or they will become extinct. They soon discover a suitable breeding stock amongst the females of planet Earth.
Cast
- John Saxon as Dr. Jack Costain
- Patricia Haines as Ann Barlow
- Alfred Burke as Detective Supt. Hartley
- Maurice Denham as Dr. Morley
- John Carson as The Major
- Ballard Berkeley as Cmdr. Savage
- Stanley Meadows as Det. Tom Grant
- Barbara French as Joyce Malone
- Robert Crewdson as Medra
- Aubrey Morris as Thorburn