- Carole Lombard
- Maria Tura
- Jack Benny
- Joseph Tura
- Robert Stack
- Lieutenant Stanislav Sobinski
- Felix Bressart
- Greenberg
- Lionel Atwill
- Rawitch
- Stanley Ridges
- Professor Siletsky
- Sig Ruman
- Colonel Ehrhardt
- Tom Dugan
- Bronski
- Charles Halton
- Producer Jan Dobosz
- George Lynn
- Actor-Adjutant
- Henry Victor
- Captain Schultz
- Maude Eburne
- Anna
- Halliwell Hobbes
- General Armstrong
- Miles Mander
- Major Cunningham
- Rudolph Anders
- Gestapo Sergeant at Desk at Top of Hotel Stairs
- Paul Barrett
- Polish RAF Pilot
- Sven Hugo Borg
- German Soldier
- Danny Borzage
- Member of Audience at Performance of Hamlet
- Buster Brodie
- Townsman
- Peter Caldwell
- Wilhelm Kunze
- Alec Craig
- Scottish Farmer Without Mustache
- Helmut Dantine
- Co-Pilot
- Jack Deery
- Member of Audience at Performance of Hamlet
- Leslie Denison
- Captain
- James Finlayson
- Scottish Farmer with Mustache
- Bess Flowers
- Polish RAF Pilot's Assistant
- James Gillette
- Polish RAF Pilot
- Stuart Hall
- Member of Audience at Performance of Hamlet
- Leyland Hodgson
- Second Reporter
- Shep Houghton
- German Soldier
- Olaf Hytten
- Polonius in Warsaw
- Charles Irwin
- Reporter
- Tiny Jones
- Townswoman
- John Kellogg
- Polish RAF Flyer
- Adolf E. Licho
- Prompter
- Wilbur Mack
- Member of Audience at Performance of Hamlet
- John Meredith
- English Wireless Operator
- Maurice Murphy
- Polish RAF Pilot
- Richard Neill
- Warsaw Bystander
- Russ Powell
- Warsaw Bystander
- Frank Reicher
- Polish Official
- Otto Reichow
- Co-Pilot
- Gene Rizzi
- Polish RAF Pilot
- John Roy
- Member of Audience at Performance of Hamlet
- Hans Schumm
- Special Investigations Squad
- Stephen Soldi
- Warsaw Bystander
- Count Stefenelli
- Member of Audience at Performance of Hamlet
- Roland Varno
- Pilot
- Ernö Verebes
- Stage Manager
- Dorothy Vernon
- Member of Audience at Performance of Hamlet
- Armand 'Curly' Wright
- Makeup Man
- Wolfgang Zilzer
- Man in Bookstore
