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David Janssen as David Christopher |
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Senta Berger as Denise Abbot |
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John Ireland as Dwight McGowan |
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John Saxon as Robert Hayes |
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Ray Milland as Johann Hurtil |
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Elke Sommer as Rita Jensen |
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Anton Diffring as Franz Benninger |
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Arthur Brauss as Kosta |
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Inigo Gallo as Captain Hans Frey |
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Curt Lowens as Korsak, Hit Man |
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David Hess as Sando, Hit Man |
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Hans-Joerg Bahl as Sgt. Schwand |
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Sheila Ruskin as Corinne |
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Irmgard Först as Florelle |
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Norbert Grupe as Hit Man in cook suit (uncredited) |
| Directing | Jack Arnold | Director |
| Writing | Norman Klenman | Writer |
| Writing | Horward Merrill | Story |
| Writing | Philip Saltzman | Writer |
| Writing | Norman Sedawie | Story |
| Writing | Michael Stanley | Writer |
| Production | Raymond R. Homer | Executive Producer |
| Production | Maurice Silverstein | Producer |
| Sound | Klaus Doldinger | Music |
| Camera | W. P. Hassenstein | Director of Photography |
| Editing | Murray Jordan | Editor |
| Art | Werner Achmann | Art Direction |
| Costume & Make-Up | Ursula Sensburg | Costume Design |
| Costume & Make-Up | Peter Knöpfle | Makeup Artist |
| Costume & Make-Up | Elke Müller | Makeup Artist |
| Production | Dixie Sensburg | Production Supervisor |
| Production | Peter Weissenborn | Unit Manager |
| Production | Stefan Zürcher | Unit Manager |
| Directing | Rolf M. Degener | Assistant Director |
| Directing | Peter Fratzscher | Assistant Director |
| Sound | Milan Bor | Sound Mixer |
| Sound | Jerry Stanford | Sound Editor |
| Sound | Jim Willis | Sound Engineer |
| Crew | Richard Richtsfeld | Special Effects |
| Art | Richard Eglseder | Props |
| Art | Hans Stangl | Props |
| Crew | Goffredo Unger | Stunt Coordinator |
| Camera | Michael Assinger | Key Grip |
| Lighting | Eddy Saller | Gaffer |
| Camera | Michael Haertel | Assistant Camera |
| Camera | Karl Reiter | Still Photographer |
| Sound | Petra von Oelffen | Music Editor |
| Production | Rolf Zehetbauer | Production Designer |
| Art | Rolf Zehetbauer | Production Design |
| Editing | Ronny Reyer | Assistant Editor |
| Costume & Make-Up | Siegi Haubold | Wardrobe Assistant |
| Costume & Make-Up | Marianne Schulz | Wardrobe Assistant |
