- Margaret Lockwood
- Anna Bomasch
- Rex Harrison
- Dickie Randall - a.k.a. Gus Bennett
- Paul Henreid
- Karl Marsen
- Basil Radford
- Charters
- Naunton Wayne
- Caldicott
- James Harcourt
- Axel Bomasch
- Felix Aylmer
- Dr. John Fredericks
- Wyndham Goldie
- Dryton
- Roland Culver
- Roberts
- Eliot Makeham
- Schwab
- Raymond Huntley
- Kampenfeldt
- Austin Trevor
- Capt. Prada
- Kenneth Kent
- Controller
- C.V. France
- Adm. Hassinger
- Frederick Valk
- Gestapo Officer
- Morland Graham
- Teleferic Attendant
- Edward Baxter
- Minor Role
- Jane Cobb
- Minor Role
- Arthur Denton
- Deckchair Attendant
- Ian Fleming
- Official at Home Office - MI5
- Hugh Griffith
- Sailor
- Irene Handl
- Station Master
- Bryan Herbert
- Inspector on Train
- Adolf Hitler
- Self
- David Horne
- Official at Prague Steel Works
- Betty Jardine
- Singer on Stage
- Allan Jeayes
- Prisoner in Concentration Camp Lineup
- Howard Lang
- Concentration Camp Guard
- Albert Lieven
- Concentration Camp Guard
- Fletcher Lightfoot
- Ticket Collector
- Howard Marion-Crawford
- SS Officer Checking Passes
- Jack May
- Man Walking Along Platform
- G.H. Mulcaster
- Minor Role
- Charles Oliver
- SS Officer at Concentration Camp
- Winifred Oughton
- Minor Role
- Wally Patch
- Fisherman
- J.H. Roberts
- Minor Role
- Billy Russell
- Adolf Hitler
- Torin Thatcher
- SS Officer
- Wilfred Walter
- Official at Prague Steel Works
- John Wengraf
- Concentration Camp Physician
- Ben Williams
- Train Steward
- Pat Williams
- Minor Role
- Pardoe Woodman
- Minor Role
