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James Mason as Dr. Frank Matson |
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Märta Torén as Laura Thorsen |
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Dan Duryea as John Wheeler |
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Basil Ruysdael as Father Moreno |
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William Conrad as Ollie |
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Rodolfo Acosta as Francisco Morales |
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King Donovan as Grieder |
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Robert Espinoza as Santiago |
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Tito Renaldo as Hank Torres |
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Margarito Luna as Antonio Morales |
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Emma Roldán as Catalina |
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George J. Lewis as Captain Rodriguez |
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Jack Elam as Arnie (uncredited) |
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Rock Hudson as Truck Driver (uncredited) |
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James Best as Driver (uncredited) |
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Nacho Galindo as Villager (uncredited) |
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Joe Dominguez as Bias (uncredited) |
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Paul Fierro as Bandit (uncredited) |
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Freddie Letuli as A Weaver (uncredited) |
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Margarita Martín as Frasca (uncredited) |
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Julia Montoya as Juanita (uncredited) |
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Howard Negley as Cop at First Accident Scene (uncredited) |
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Steve Pendleton as Cop at First Accident Scene (uncredited) |
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Julian Rivero as Mexican Villager with Horse (uncredited) |
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Kenneth Tobey as Cop at Second Accident (uncredited) |
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O.Z. Whitehead as Gas Station Proprietor (uncredited) |
| Production | Leonard Goldstein | Producer |
| Editing | Milton Carruth | Editor |
| Directing | Hugo Fregonese | Director |
| Writing | Lawrence Kimble | Story |
| Camera | Maury Gertsman | Director of Photography |
| Art | Bernard Herzbrun | Art Direction |
| Sound | Leslie I. Carey | Sound |
| Costume & Make-Up | Joan St. Oegger | Hairstylist |
| Crew | Ernesto A. Romero | Technical Advisor |
| Art | Ruby R. Levitt | Set Decoration |
| Art | Alfred Ybarra | Art Direction |
| Sound | Glenn E. Anderson | Sound |
| Crew | David S. Horsley | Special Effects |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Costume & Make-Up | Orry-Kelly | Costume Design |
| Writing | Lawrence Kimble | Screenplay |
| Directing | Adele Cannon | Script Supervisor |
| Camera | Harry Davis | Camera Operator |
| Sound | Ethmer Roten | Musician |
| Costume & Make-Up | Olga Collings | Hairstylist |
| Directing | Frank Shaw | Assistant Director |
| Sound | Frank Skinner | Original Music Composer |
| Costume & Make-Up | Emile LaVigne | Makeup Artist |
| Production | Howard Christie | Production Manager |
| Lighting | John Brooks | Gaffer |
| Camera | Sherman Clark | Still Photographer |
| Camera | Russ Franks | Grip |
