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George Montgomery as Eric |
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Danny Steinmann as Bill |
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Tom Baker as Denny |
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Marianne Kanter as Carol |
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Claude Gersene as |
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Renate Kasché as Lise |
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Steve Rowland as |
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Kay Reid as |
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Alma Kessler as |
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Carl Rapp as |
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Natalia Silva as |
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Víctor Israel as |
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Rodrigo Caballero as |
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T.J. Castronovo as (as Tom Castronova) |
| Editing | Fima Noveck | Editor |
| Camera | Robert Royal | Still Photographer |
| Camera | Fima Noveck | Other |
| Camera | Paul Radkai | Other |
| Crew | Edward Mann | Special Effects |
| Crew | Michael Kuh | Additional Dialogue |
| Production | Morton M. Rosenfeld | Associate Producer |
| Production | Ramon Sanz | Other |
| Production | Roberto Perez Moreno | Production Manager |
| Costume & Make-Up | Adolfo Ponte | Makeup Artist |
| Editing | Arthur Marks | Editorial Production Assistant |
| Writing | Edward Mann | Writer |
| Crew | George Montgomery | Special Effects |
| Costume & Make-Up | Mercedes de Segovia | Wardrobe Supervisor |
| Directing | Mercedes Segura | Script Supervisor |
| Directing | Edward Mann | Director |
| Writing | Robert D. Weinbach | Idea |
| Art | Andrés Monreal | Set Decoration |
| Directing | Antonio Chic | Assistant Director |
| Production | Jerome A. Siegel | Associate Producer |
| Crew | Manuel Sayans | Special Effects |
| Production | Fima Noveck | Consulting Producer |
| Editing | Fima Noveck | Editorial Coordinator |
| Production | Richard Yalem | Other |
| Camera | Ramón Sempere | Camera Operator |
| Crew | Francisco Sempere | Cinematography |
| Production | Nigel Cox | Producer |
| Production | Robert D. Weinbach | Executive Producer |
| Camera | Arni Hendin | Other |
| Writing | E.J. Whyte | Script Consultant |
| Sound | Bernardo Segall | Music |
| Directing | Dave 'Squatch' Ward | Second Assistant Director |
