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