| Person | Type | Job | Role(s) |
|---|---|---|---|
 Calder Willingham | Crew | Writing | Screenplay |
Christian Ferry | Crew | Production | Location Manager |
Dale Wasserman | Crew | Writing | Adaptation |
 David Sharpe | Crew | Crew | Stunt Double |
Eddie Fowlie | Crew | Art | Property Master |
 Eddie Powell | Crew | Crew | Stunts |
Edison Marshall | Crew | Writing | Novel |
 Elmo Williams | Crew | Directing | Second Unit Director, Supervising Editor |
Franco Ferrara | Crew | Sound | Conductor |
Gerard Schurmann | Crew | Sound | Orchestrator |
Gordon K. McCallum | Crew | Sound | Sound Mixer |
 Harper Goff | Crew | Art | Production Design, Producer's Assistant |
 Henri Guégan | Crew | Crew | Stunts |
 Jack Cardiff | Crew | Camera | Director of Photography |
Jack Cooper | Crew | Crew | Stunts |
James Devis | Crew | Camera | Focus Puller |
 Janet Leigh | Crew | Production | Executive Producer |
Jerry Bresler | Crew | Production | Producer |
John O'Gorman | Crew | Costume & Make-Up | Makeup Artist |
 John Sullivan | Crew | Crew | Stunt Double |
Joseph de Bretagne | Crew | Sound | Sound |
Julien Derode | Crew | Production | Production Manager |
Ken Buckle | Crew | Crew | Stunts |
 Kirk Douglas | Crew | Production | Executive Producer |
Lee Katz | Crew | Production | Associate Producer |
 Mario Nascimbene | Crew | Sound | Original Music Composer, Music Arranger |
Neville Smallwood | Crew | Costume & Make-Up | Makeup Artist |
 Peter Berling | Crew | Sound | Sound Assistant, Translator |
 Richard Fleischer | Crew | Directing | Director |
 Tony Curtis | Crew | Production | Executive Producer |
Walter Wottitz | Crew | Camera | Second Unit Director of Photography |
 Claude Carliez | Crew | Crew | Fight Choreographer |
Vasco Reggiani | Crew | Costume & Make-Up | Hairdresser |
Lutz Hengst | Crew | Production | Production Manager |
Bill Cummings | Crew | Crew | Stunts |
André Smagghe | Crew | Directing | Assistant Director |
Lucie Lichtig | Crew | Directing | Continuity |
Bill Kirby | Crew | Production | Production Manager |
Gabriella Reggiani | Crew | Costume & Make-Up | Hairdresser |
Jack Hirshberg | Crew | Crew | Unit Publicist |
George Pink | Crew | Camera | Camera Technician |
 Alexander Knox | Cast | Actor | Father Godwin |
Almut Berg | Cast | Pigtails (uncredited) | |
 Dandy Nichols | Cast | Actress | Bridget |
 Edric Connor | Cast | Actor | Sandpiper |
 Eileen Way | Cast | Actress | Kitala |
 Ernest Borgnine | Cast | Actor | Ragnar |
 Frank Thring | Cast | Actor | Aella |
 James Donald | Cast | Actor | Lord Egbert |
Janet Leigh | Cast | Actress | Morgana |
Kirk Douglas | Cast | Actor | Einar |
 Marco Perrin | Cast | Actor | Extra (uncredited) |
 Maxine Audley | Cast | Actress | Enid |
 Orson Welles | Cast | Actor | Narrator (voice) (uncredited) |
 Paul Préboist | Cast | Actor | Extra (uncredited) |
 Per Buckhøj | Cast | Actor | Bjorn |
 Peter Capell | Cast | Actor | Minor Role (uncredited) |
Peter Douglas | Cast | Actor | Young Boy (uncredited) |
 Rico López | Cast | Actor | Viking Warrior (uncredited) |
Tony Curtis | Cast | Actor | Eric |
 Georges Guéret | Cast | Actor | Viking Warrior (uncredited) |
 Kelly Curtis | Cast | Actress | Young Girl (uncredited) |
Bill Cummings | Cast | Actor | Viking Warrior (uncredited) |
| Person | Type | Job | Role(s) |
