"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)
Richard Fleischer
Director
Jack Cardiff
Director of Photography
Calder Willingham
Screenplay
Dale Wasserman
Adaptation
Edison Marshall
Novel
Walter Wottitz
Second Unit Director of Photography
Executive Producer
Lee Katz
Associate Producer
Lutz Hengst
Production Manager
Jacques Planté
Eddie Fowlie
Property Master
Peter Berling
Sound Assistant
Gordon K. McCallum
Sound Mixer
Claude Carliez
Fight Choreographer
Ken Buckle
Stunts
Jack Cooper
Henri Guégan
Eddie Powell
David Sharpe
Stunt Double
John Sullivan
James Devis
Focus Puller
Marc Hyams
Clapper Loader
George Pink
Camera Technician
Christian Ferry
Location Manager
Gerard Schurmann
Orchestrator
Lucie Lichtig
Continuity
Translator
Jack Hirshberg
Unit Publicist
Bill Kirby
Jerry Bresler
Producer
Harper Goff
Production Design
Elmo Williams
Supervising Editor
Mario Nascimbene
Original Music Composer
Music Arranger
Franco Ferrara
Conductor
Second Unit Director
John O'Gorman
Makeup Artist
Neville Smallwood
Vasco Reggiani
Hairdresser
Gabriella Reggiani
Julien Derode
André Smagghe
Assistant Director
Producer's Assistant
Joseph de Bretagne
Sound