Margaret Lockwood
Anna Bomasch
Rex Harrison
Gus Bennett
Paul Henreid
Karl Marsen
Basil Radford
Charters
Naunton Wayne
Caldicott
James Harcourt
Axel Bomasch
Felix Aylmer
Dr. Fredericks
Wyndham Goldie
Dryton
Roland Culver
Roberts
Eliot Makeham
Schwab
Raymond Huntley
Kampenfeldt
Austin Trevor
Capt. Prada
Kenneth Kent
Controller
C. V. France
Admiral Hassinger
Frederick Valk
Gestapo Officer
Morland Graham
Teleferic Attendant
Adolf Hitler
Himself (archive footage)
David Horne
Czech Official (uncredited)
Wilfred Walter
Czech Official (uncredited)
Winifred Oughton
Martha (uncredited)
John Wengraf
KL Physician (uncredited)
Charles Oliver
KL Officer (uncredited)
Allan Jeayes
KL Prisoner (uncredited)
Albert Lieven
Paul - KL Guard (uncredited)
Wally Patch
Fisherman (uncredited)
Arthur Denton
Deckchair Attendant (uncredited)
Ian Fleming
British Official (uncredited)
Howard Marion-Crawford
Checkpoint Officer (uncredited)
Bryan Herbert
Train Inspector (uncredited)
Irene Handl
Stationmaster (uncredited)
Ben Williams
Train Steward (uncredited)
Edward Baxter
Hugh Griffith
Howard Lang
Fletcher Lightfoot
Jack May
G.H. Mulcaster
J.H. Roberts
Billy Russell
Torin Thatcher
Pat Williams