| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Weldon | Crew | Crew | Special Effects |
 Anthony Mann | Crew | Directing | Director |
 Ben Barzman | Crew | Writing | Screenplay |
Buff Brady | Crew | Crew | Stunts |
 Diego Fabbri | Crew | Crew | Additional Writing |
Douglas Gamley | Crew | Sound | Orchestrator |
Emilio Ruiz del Río | Crew | Crew | Scenic Artist |
Enzo Musumeci Greco | Crew | Crew | Stunts |
Eugene Zador | Crew | Sound | Orchestrator |
Francisco Prósper | Crew | Art | Construction Coordinator |
Fredric M. Frank | Crew | Writing | Screenplay, Story |
Gil Parrondo | Crew | Art | Assistant Art Director |
Gordon K. McCallum | Crew | Sound | Sound Re-Recording Mixer |
Grazia De Rossi | Crew | Costume & Make-Up | Hairstylist |
Guy Luongo | Crew | Production | Production Manager |
Jack Erickson | Crew | Crew | Special Effects |
Jack Solomon | Crew | Sound | Sound Recordist |
Jack Williams | Crew | Crew | Stunts |
Jaime Prades | Crew | Production | Associate Producer |
Joe Canutt | Crew | Crew | Stunts |
John Harris | Crew | Camera | Camera Operator |
John Moore | Crew | Art | Production Design, Set Decoration, Costume Design |
 José López Rodero | Crew | Directing | Assistant Director |
José María Ochoa | Crew | Directing | Assistant Director |
Leon Chooluck | Crew | Production | Production Manager |
Manuel Berenguer | Crew | Camera | Second Unit Director of Photography |
Mario Van Riel | Crew | Costume & Make-Up | Makeup Artist |
 Michał Waszyński | Crew | Production | Associate Producer |
Miguel Pedregosa | Crew | Crew | Stunts |
 Miklós Rózsa | Crew | Sound | Original Music Composer |
 Omero Capanna | Crew | Crew | Stunts |
Pablo Pérez | Crew | Crew | Special Effects Assistant |
 Philip Yordan | Crew | Writing | Screenplay |
 Robert Krasker | Crew | Camera | Director of Photography |
Robert Lawrence | Crew | Editing | Editor |
Samuel Bronston | Crew | Production | Producer, Presenter |
Veniero Colasanti | Crew | Art | Production Design, Set Decoration, Costume Design |
 Verna Fields | Crew | Sound | Sound Editor |
 Yakima Canutt | Crew | Directing | Second Unit Director |
Luciano Sacripanti | Crew | Directing | First Assistant Director |
Tadeo Villalba | Crew | Production | Unit Manager |
Jerry Brown | Crew | Crew | Stunts |
Federico Gómez Grau | Crew | Camera | Still Photographer |
Julián Martín | Crew | Art | Painter |
Antonio Baquero | Crew | Crew | Special Effects Assistant |
Antonio Bueno | Crew | Crew | Special Effects Assistant |
Tap Canutt | Crew | Crew | Stunts |
Stanley Detlie | Crew | Art | Property Master |
Edna Bullock | Crew | Sound | Music Editor |
Magdalena Paradell | Crew | Editing | Assistant Editor |
Carl Gibson | Crew | Camera | Key Grip |
Maciek Piotrowski | Crew | Art | Draughtsman, Title Illustration |
Gloria Musetta | Crew | Costume & Make-Up | Wardrobe Supervisor |
Norton Kurland | Crew | Lighting | Electrician |
Antonio Parra | Crew | Crew | Special Effects Assistant |
Pat Miller | Crew | Directing | Script Supervisor |
 Andrew Cruickshank | Cast | Actor | Count Gormaz |
 Antonio Mayans | Cast | Actor | (uncredited) |
 Barbara Everest | Cast | Actress | Mother Superior |
 Carlo Giustini | Cast | Actor | Bermúdez |
 Charlton Heston | Cast | Actor | El Cid Rodrigo de Vivar |
 Christopher Rhodes | Cast | Actor | Don Martín |
 Douglas Wilmer | Cast | Actor | Moutamin |
 Fausto Tozzi | Cast | Actor | Dolfos |
 Franco Fantasia | Cast | Actor | Soldier |
 Frank Thring | Cast | Actor | Al Kadir |
 Gary Raymond | Cast | Actor | Prince Sancho |
 Geneviève Page | Cast | Actress | Princess Urraca |
 Gérard Tichy | Cast | Actor | King Ramírez |
 Herbert Lom | Cast | Actor | Ben Yussuf |
 Hurd Hatfield | Cast | Actor | Arias |
 John Fraser | Cast | Actor | Prince Alfonso |
José Terrón | Cast | Actor | Soldier (uncredited) |
 Massimo Serato | Cast | Actor | Fanez |
 Michael Hordern | Cast | Actor | Don Diego |
 Nerio Bernardi | Cast | Actor | Soldier |
Omero Capanna | Cast | Actor | Fighter (uncredited) |
 Paul Müller | Cast | Actor | Arabian Assistant Doctor (uncredited) |
 Paul Naschy | Cast | Actor | Extra (uncredited) |
 Raf Vallone | Cast | Actor | Count Ordóñez |
 Ralph Truman | Cast | Actor | King Ferdinand |
 Rosalba Neri | Cast | Actress | Harem Girl (uncredited) |
 Sophia Loren | Cast | Actress | Jimena |
 Tullio Carminati | Cast | Actor | Priest |
 Virgílio Teixeira | Cast | Actor | (uncredited) |
Katina Noble | Cast | Nun | |
 Luis Fernández de Eribe | Cast | Actor | (uncredited) |
| Person | Type | Job | Role(s) |
