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