Générique complet
49ème parallèle
Leslie Howard
Philip Armstrong Scott
Laurence Olivier
Johnnie, the Trapper
Raymond Massey
Andy Brock
Adolf Wohlbrück
Peter
Eric Portman
Lieutenant Hirth
Raymond Lovell
Lieutenant Kuhnecke
Richard George
Kommandant Bernsdorff
Niall MacGinnis
Vogel
Peter Moore
Kranz
John Chandos
Lohrmann
Finlay Currie
The Factor
Glynis Johns
Anna
Basil Appleby
Jahner
Ley On
Nick - the Eskimo
Charles Victor
Andreas
Frederick Piper
David
Tawera Moana
George, the Indian
Eric Clavering
Art
Charles Rolfe
Bob
Theodore Salt
A United States Customs Officer
O.W. Fonger
A United States Customs Officer
George Alexander
Cameo
Robert Beatty
RCMP Mountie in Alberta (voice)
Eric Berry
Nazi Radio Announcer
Gron Davies
Officer on Submarine
Leslie Falardeau
Aviator on Seaplane
Lionel Grose
Undetermined Role
Stuart Latham
Second Nazi Radio Announcer
Norman Luxton
Man in fringed jacket on balcony at Banff Indian Day
Vincent Massey
Prologue Narrator (voice)
Percy Parsons
Hi-Jacked Canadian Motorist
Gerry Wilmot
Canadian Radio Announcer
Jack Hynes
Aviator on Seaplane
Réalisation
Scénario
Production
Michael Powell
Production
John Sutro
Other
Harold Boxall
Production Manager
Roland Gillett
Assistant Production Manager
George H. Brown
Assistant Production Manager
Image
Skeets Kelly
Cadrage
Henty Henty-Creer
Cadrage
Freddie Young
Photographie
Jim Body
Clapper Loader
Osmond Borradaile
Additional Photography
Montage
Son et musique
Ralph Vaughan Williams
Musique
Muir Mathieson
Music Director
A.W. Watkins
Sound Supervisor
C. C. Stevens
Sound Recordist
Walter Darling
Sound Recordist
Décors
David Rawnsley
Direction artistique
Peter Cushing
Props
Sydney Streeter
Assistant Art Director
Frederick Pusey
Assistant Art Director