Margaret Lockwood as Anna Bomasch

Rex Harrison as Gus Bennett

Paul Henreid as Karl Marsen

Basil Radford as Charters

Naunton Wayne as Caldicott

James Harcourt as Axel Bomasch

Felix Aylmer as Dr. Fredericks

Wyndham Goldie as Dryton

Roland Culver as Roberts

Eliot Makeham as Schwab

Raymond Huntley as Kampenfeldt

Austin Trevor as Capt. Prada

Kenneth Kent as Controller

C. V. France as Admiral Hassinger

Frederick Valk as Gestapo Officer

Morland Graham as Teleferic Attendant

Adolf Hitler as Himself (archive footage)

David Horne as Czech Official (uncredited)

Wilfred Walter as Czech Official (uncredited)

Winifred Oughton as Martha (uncredited)

John Wengraf as KL Physician (uncredited)

Charles Oliver as KL Officer (uncredited)

Allan Jeayes as KL Prisoner (uncredited)

Albert Lieven as Paul - KL Guard (uncredited)

Wally Patch as Fisherman (uncredited)

Arthur Denton as Deckchair Attendant (uncredited)

Ian Fleming as British Official (uncredited)

Howard Marion-Crawford as Checkpoint Officer (uncredited)

Bryan Herbert as Train Inspector (uncredited)

Irene Handl as Stationmaster (uncredited)

Ben Williams as Train Steward (uncredited)

Edward Baxter as

Hugh Griffith as

Howard Lang as

Fletcher Lightfoot as

Jack May as

G.H. Mulcaster as

J.H. Roberts as

Billy Russell as

Torin Thatcher as

Pat Williams as