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Yul Brynner as Catlow |
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Richard Crenna as Cowan |
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Leonard Nimoy as Miller |
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Daliah Lavi as Rosita |
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Jo Ann Pflug as Christina |
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Jeff Corey as Merridew |
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Michael Delano as Rio |
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Dan van Husen as Dutch |
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Julián Mateos as Recalde |
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David Ladd as Caxton |
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Bessie Love as Mrs. Frost |
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Robert Logan as Oley |
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John Clark as Keleher |
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Cass Martin as Sanchez |
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José Nieto as General |
| Writing | Louis L'Amour | Novel |
| Directing | Sam Wanamaker | Director |
| Directing | John Glen | Second Unit Director |
| Writing | Scot Finch | Writer |
| Writing | James Griffith | Writer |
| Camera | Edward Scaife | Director of Photography |
| Production | Tadeo Villalba | Production Supervisor |
| Production | Diego Gómez Sempere | Production Manager |
| Camera | John Harris | Camera Operator |
| Art | Herbert Smith | Art Direction |
| Directing | José María Ochoa | Assistant Director |
| Directing | Kay Rawlings | Continuity |
| Costume & Make-Up | José Antonio Sánchez | Makeup Artist |
| Art | Germán Quejido Perrucha | Property Master |
| Crew | Kit West | Special Effects |
| Costume & Make-Up | Ramón de Diego | Makeup Artist |
| Production | Ronnie Bear | Production Supervisor |
| Editing | John Glen | Supervising Editor |
| Art | Ron Patton | Construction Manager |
| Sound | Wally Milner | Sound Mixer |
| Costume & Make-Up | Agustín Jiménez | Wardrobe Designer |
| Production | Euan Lloyd | Producer |
| Sound | Roy Budd | Music |
| Editing | Alan Killick | Editor |
| Production | Javier Gordillo | Unit Manager |
| Sound | Len Abbott | Sound Mixer |
