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Eddie Constantine as Dan Leyton |
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Diana Lorys as Janet Spokane |
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Anita Höfer as Marion |
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Otto Stern as Colonel Spokane |
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Tota Alba as Commander Pendleton |
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Dina Loy as Yasmina |
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Mary Paz Pondal as Ilse |
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Marcelo Arroita-Jáuregui as Omar |
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Cris Huerta as Willy |
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Lola Gaos as Omar's Wife |
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Héctor Quiroga as Lt. Jimmy Smith |
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Nora Romo as Dr. Lehmann |
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Antonio Jiménez Escribano as General Chandler |
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Pilar Vela as Mrs. Kovach |
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Gonzalo de Esquiroz as Blond Thug |
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Jesús Franco as Casino Piano Player (uncredited) |
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Patty Shepard as Residence Girl (uncredited) |
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Howard Vernon as Radek (uncredited) |
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Manuel Vidal as The Bulgar Contact (uncredited) |
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Johanna von Koczian as Residence Girl (uncredited) |
| Directing | Jesús Franco | Director |
| Writing | Michael Loggan | Story |
| Writing | Jesús Franco | Writer |
| Crew | Antonio Macasoli | Photoscience Manager |
| Sound | Odón Alonso | Music |
| Production | Karl Heinz Mannchen | Associate Producer |
| Art | Carlos Viudes | Art Direction |
| Costume & Make-Up | Manolita G. Fraile | Makeup Artist |
| Production | Luis Laso | Production Manager |
| Camera | Javier Argote | Assistant Camera |
| Editing | María Luisa Soriano | Assistant Editor |
| Costume & Make-Up | Inés González | Hairstylist |
| Costume & Make-Up | Humberto Cornejo | Wardrobe Master |
| Production | Ricardo Bonilla | Production Assistant |
| Production | Germán Quejido Perrucha | Unit Manager |
| Art | Rafael Ablanque | Assistant Set Decoration |
| Editing | Magdalena Pulido | Editor |
| Art | Tomás Fernández | Construction Coordinator |
| Costume & Make-Up | Tomasa Benito | Assistant Makeup Artist |
| Directing | Luis Revenga | Assistant Director |
| Art | Jesús Mateos | Props |
| Costume & Make-Up | Manuela Iglesias | Costumer |
| Art | Antonio Simont | Set Decoration |
| Directing | Ángela Cristóbal | Script Supervisor |
| Camera | Fernando Perrote | Assistant Camera |
| Art | Germán Quejido Perrucha | Property Master |
| Costume & Make-Up | Adolfo Ponte | Makeup Artist |
| Camera | Enrique Montoya | Still Photographer |
| Costume & Make-Up | Rosina Fernández | Costumer |
| Crew | Manuel Baquero | Special Effects |
| Production | Fernando Quejido | Production Assistant |
| Camera | Ricardo Andreu | Camera Operator |
