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Pernell Roberts as Marshall Ross |
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Sue Lyon as Myra Polsen |
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Leslie Nielsen as Mr Brown |
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Julián Mateos as Frenando Nunez |
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María Martín as Rosa |
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Leonard Bell as Hotel Clerk |
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John Clark as Livery Stable Owner |
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Charles Drace as Mr. Polsen |
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Neil Wright as Priest |
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Janis Ian as The Singer |
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Albert Salmi as (uncredited) |
| Directing | John Peyser | Director |
| Art | Gil Parrondo | Art Direction |
| Writing | Dick Miller | Writer |
| Writing | Don Balluck | Screenplay |
| Camera | Rafael Pacheco | Director of Photography |
| Sound | Janis Ian | Original Music Composer |
| Sound | Jeff Milner | Boom Operator |
| Costume & Make-Up | José Antonio Sánchez | Makeup Artist |
| Production | Valentín Panero | Unit Manager |
| Camera | Tito del Amo | Still Photographer |
| Lighting | José Luis Poveda | Gaffer |
| Costume & Make-Up | Dolores Tutusaus | Wardrobe Master |
| Directing | Kuki López Rodero | Assistant Director |
| Sound | Taffy Haines | Sound Mixer |
| Sound | John Peyser | Boom Operator |
| Camera | Rafael Maseda | Grip |
| Costume & Make-Up | Tony Pueo | Costume Design |
| Directing | Susan Diederich | Second Assistant Director |
| Production | Pedro Vidal | Producer |
| Production | Richard H. Landau | Producer |
| Costume & Make-Up | Francisca Guillot | Hairdresser |
| Art | José Tomás Cuadrado | Painter |
| Production | Juan Estelrich March | Production Manager |
| Crew | Rosa Biadiu | Script |
| Camera | Miguel Barquero | Camera Operator |
