Donald Sinden
Sir Anthony Ross
Donald Sinden
Sir Anthony Ross
David Hartman
Prof. John Ivarsson
Jacques Marin
Captain Brieux
Mako
Oomiak
David Gwillim
Donald Ross
Agneta Eckemyr
Freyja
Sverre Anker Ousdal
Gunnar
Gunnar Öhlund
The Godi
Lasse Kolstad
Erik
Erik Silju
Torvald
Rolf Søder
The Lawspeaker
Torsten Wahlund
Sven
Niels Hinrichsen
Sigurd
Denny Miller
Town Guard
Brendan Dillon
The Factor
James Almanzar
French Engineer
Ivor Barry
The Butler
Lee Paul
Chief of Boat Archers
Ian Abercrombie
Train Conductor (uncredited)
Jackson Bostwick
Pilot (uncredited)
Herman Poppe
Sentry (uncredited)
Robert Stevenson
Director
John Whedon
Screenplay
Ian Cameron
Novel
Maurice Jarre
Original Music Composer
Herb Taylor
Sound Supervisor
Winston Hibler
Producer
Walter H. Tyler
Production Design
John B. Mansbridge
Production Design
Al Roelofs
Production Design
Peter Ellenshaw
Production Design