cast
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Martin Landau
Commander John Koenig
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Barbara Bain
Doctor Helena Russell
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Barry Morse
Professor Victor Bergman
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Nick Tate
Captain Alan Carter
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Prentis Hancock
Paul Morrow
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Zienia Merton
Sandra Benes
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Roy Dotrice
Commissioner Gerald Simmons
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Anthony Valentine
Male Alien
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Isla Blair
Female Alien
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Philip Madoc
Commander Anton Gorski
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Lon Satton
Benjamin Ouma
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Eric Carte
Eddie Collins
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Clifton Jones
David Kano
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Patrick Allen
Luna Commission Chairman
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Christopher Matthews
Main Mission Operator