Out of the Unknown

Counterfeit Man,

8/10 from 16 users - IMDb
60 min | Drama, Horror, Sci-Fi | English | 11 October 1965 (UK)

Season 1 | Episode 2

    On Jupiter's moon Ganymede, an alien life-form has taken over the body of a human astronaut, creating an almost perfect copy. But perfect enough to escape discovery on the long return trip to Earth? Can the deadly counterfeit be detected and stopped before its hunger for new life can endanger an entire planet?

    George Spenton-Foster
    Alan Nourse (short story "Counterfeit") Philip Broadley (adaptation)
    Alexander DavionDavid HemmingsCharles 'Bud' TingwellPeter Fraser