| Person | Type | Job | Role(s) |
|---|---|---|---|
 Calder Willingham | Crew | Writing | Screenplay |
Dale Wasserman | Crew | Writing | Adaptation |
Edison Marshall | Crew | Writing | Novel |
 Elmo Williams | Crew | Directing | Second Unit Director, Supervising Editor |
Franco Ferrara | Crew | Sound | Conductor |
 Harper Goff | Crew | Art | Production Design, Producer's Assistant |
 Jack Cardiff | Crew | Camera | Director of Photography |
Jerry Bresler | Crew | Production | Producer |
John O'Gorman | Crew | Costume & Make-Up | Makeup Artist |
Joseph de Bretagne | Crew | Sound | Sound |
Julien Derode | Crew | Production | Production Manager |
 Mario Nascimbene | Crew | Sound | Original Music Composer, Music Arranger |
Neville Smallwood | Crew | Costume & Make-Up | Makeup Artist |
 Richard Fleischer | Crew | Directing | Director |
Walter Wottitz | Crew | Crew | Second Unit Cinematographer, Second Unit Director of Photography |
Vasco Reggiani | Crew | Costume & Make-Up | Hairdresser |
André Smagghe | Crew | Directing | Assistant Director |
Bill Kirby | Crew | Production | Production Manager |
Gabriella Reggiani | Crew | Costume & Make-Up | Hairdresser |
 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 | (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) |
