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Errol Flynn as Ned Sherwood |
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Pedro Armendáriz as Col. Mastegui (as Pedro Armendariz) |
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Rossana Rory as 'Fina' Ferrer |
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Gia Scala as Anita Ferrer |
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Jacques Aubuchon as Miguel Collada |
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Sandro Giglio as Armando Ferrer |
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Charles Todd as U.S. Treasury Agent Griswold |
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Francisco Canero as Police Doctor (as Dr. Francisco Canero) |
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Louis Oquendo as Detective (as Luis Oquendo) |
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Guillermo Álvarez Guedes as Casino Manager |
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Velia Martinez as Salcito's Secretary |
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Aurora Pita as Linen Shop Girl |
| Directing | Richard Wilson | Director |
| Writing | Jo Eisinger | Screenplay |
| Writing | Robert Sylvester | Novel |
| Production | Lewis F. Blumberg | Producer |
| Sound | Raúl Lavista | Original Music Composer |
| Camera | Lee Garmes | Director of Photography |
| Editing | Charles L. Kimball | Editor |
| Production | Henry Spitz | Production Supervisor |
| Directing | Henry Hartman | Assistant Director |
| Production | Alberto Montes | Production Coordinator |
| Sound | Manuel Topete | Sound Recordist |
| Sound | Galdino R. Samperio | Sound Recordist |
| Costume & Make-Up | Ana Guerrero | Makeup Artist |
