- Merle Oberon
- Nicole Larsen
- Brian Aherne
- Capt. Allan Lowell
- Carl Esmond
- Maj. Paul Dichter
- Isobel Elsom
- Rose Lindstrom
- Fritz Leiber
- Dr. Aanrud
- Erville Alderson
- Soren
- Erik Rolf
- Ole
- Reinhold Schünzel
- Col. Kurt von Elser
- Louis Adlon
- Nazi Lieutenant
- Niels Bagge
- Cousin Thorsten
- Conrad Binyon
- Small Boy
- Sven Hugo Borg
- Capt. Schmidt
- Frederic Brunn
- German Guard
- Gordon B. Clarke
- Commando
- Leslie Denison
- English Officer
- John Elliott
- Norwegian Patient
- Fern Emmett
- Dress Designer
- Eric Feldary
- Private
- E.L. Fisher-Smith
- Cipher Expert
- Byron Foulger
- Norwegian Shopkeeper
- Arno Frey
- Sergeant
- Greta Granstedt
- Girl Assistant
- Ethel Griffies
- Nurse
- Louis Jean Heydt
- Norwegian
- Lloyd Ingraham
- Old Norwegian
- Charles Irwin
- Capt. Lungden
- Guy Kingsford
- Sub Commander Kingsford
- Marten Lamont
- Lieutenant Colonel
- Paul Langton
- Undetermined Role
- Nelson Leigh
- Blake
- Rolf Lindau
- Junior Officer
- Miles Mander
- Col. Wallace
- William Martin
- Dichter's Chauffeur
- Robert McKenzie
- Justice of the Peace
- Pat Moriarity
- Irish Top Sergeant
- George O'Flaherty
- Cipher Expert
- Larry Parks
- Capt. Langdon
- William 'Bill' Phillips
- Aanrud's Assistant
- Alexander Pollard
- Waiter
- Paul Power
- English Officer
- Otto Reichow
- Young Nazi Officer
- Henry Rowland
- Private
- John Royce
- German Orderly
- Richard Ryen
- Dr. Hoff
- Pietro Sosso
- Janitor
- Tom Stevenson
- Blakeley
- Walter Thiele
- Orderly
- Evan Thomas
- Ship's Captain
- Hans von Morhart
- German Guard
- Hans Heinrich von Twardowski
- Nazi Captain
- Rex Williams
- Young Nazi Officer
- Lewis Wilson
- Dr. Kleinich
