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