"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)
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
Peter Berling
Sound Assistant
Gordon K. McCallum
Sound Mixer
Marc Hyams
Clapper Loader
Jack Cooper
Stunts
Eddie Powell
James Devis
Focus Puller
David Sharpe
Executive Producer
Christian Ferry
Location Manager
Claude Carliez
Fight Choreographer
Gerard Schurmann
Orchestrator
Lucie Lichtig
Continuity
Lee Katz
Associate Producer
George Pink
Camera Technician
Eddie Fowlie
Property Master
Henri Guégan
Translator
Ken Buckle
Bill Kirby
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
Gabriella Reggiani
Harper Goff
Producer's Assistant
Production Design
Original Music Composer
Supervising Editor
Jerry Bresler
Producer
Julien Derode
Joseph de Bretagne
Sound