Director/a
Michael Powell
DIRECTOR/A
Reparto (por orden de créditos)
Leslie Howard
Philip Armstrong Scott (The Canadians)
Laurence Olivier
Johnnie, the Trapper (The Canadians)
Richard George
Kommandant Bernsdorff (The U-Boat Crew)
Eric Portman
Lieutenant Hirth (The U-Boat Crew)
Raymond Lovell
Lieutenant Kuhnecke (The U-Boat Crew)
Niall MacGinnis
Vogel (The U-Boat Crew)
Peter Moore
Kranz (The U-Boat Crew)
John Chandos
Lohrmann (The U-Boat Crew)
Basil Appleby
Jahner (The U-Boat Crew)
Finlay Currie
The Factor (The Canadians)
Ley On
Nick, the Eskimo (The Canadians)
Anton Walbrook
Peter (The Canadians)
Glynis Johns
Anna (The Canadians)
Charles Victor
Andreas (The Canadians)
Frederick Piper
David (The Canadians)
Tawera Moana
George, the Indian (The Canadians)
Eric Clavering
Art (The Canadians)
Charles Rolfe
Bob (The Canadians)
Raymond Massey
Andy Brock (The Canadians)
Theodore Salt
A United States Customs Officer
O.W. Fonger
Elisabeth Bergner
Anna (replaced by Glynis Johns) (scenesDeleted)
George Alexander
Cameo Appearance (uncredited)
Robert Beatty
RCMP Mountie in Alberta (uncredited) (voice)
Eric Berry
Nazi Radio Announcer (uncredited)
Gron Davies
Officer on Submarine (uncredited)
Leslie Falardeau
Aviator on Seaplane (uncredited)
Toni Gable
Hutterite Woman (uncredited)
Lionel Grose
Undetermined Secondary Role (uncredited)
Jack Hynes
Stuart Latham
Second Nazi Radio Announcer (uncredited)
Norman Luxton
Man in Fringed Jacket on Balcony at Banff Indian Day (uncredited)
Vincent Massey
Prologue Narrator (uncredited) (voice)
Percy Parsons
Hi-Jacked Canadian Motorist (uncredited)
Gerry Wilmot
Canadian Radio Announcer (uncredited)