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David McCallum as Hillel Mondoro |
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Susan Strasberg as Karen Mondoro |
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Helmut Käutner as Dr. Kramer |
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Lilli Palmer as Anna Hauser |
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Leslie Nielsen as Joseph Slaughter |
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Herbert Fleischmann as Werner Renner |
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Hans Elwenspoek as Van Kungen |
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Barbara Lass as Angelika |
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Arthur Brauss as Bak |
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Robert Webber as Dorsey |
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Günter Meisner as Koroweiw |
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Peter Capell as Dr. Shepilov |
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Manfred Reddemann as Herr Borgen |
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Jochen Busse as |
| Directing | Boris Sagal | Director |
| Writing | Adrian Spies | Teleplay |
| Directing | Esther Vivante | Script Supervisor |
| Directing | Wieland Liebske | Assistant Director |
| Writing | Curt Siodmak | Novel |
| Directing | Eva Ebner | Assistant Director |
| Camera | Petrus R. Schlömp | Director of Photography |
| Costume & Make-Up | Larry Germain | Hairstylist |
| Art | Ellen Schmidt | Art Direction |
| Production | Jack Laird | Producer |
| Editing | Frank Morriss | Editor |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Sound | Billy Byers | Original Music Composer |