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Lost in Space: The Keeper, Part 2 (1966)
directed by Harry Harris
featuring Michael Rennie, Wilbur Evans, Michael Donovon, Dawson Palmer, Janos Prohaska -
Star Trek: The Devil in the Dark (1967)
directed by Joseph Pevney
featuring Ken Lynch, Janos Prohaska, Biff Elliot -
The Outer Limits: The Probe (1965)
directed by Felix E. Feist
featuring Peggy Ann Garner, Ron Hayes, Janos Prohaska, Peter Mark Richman