- Conrad Veidt
- Baron Karl Von Marwitz
- Vivien Leigh
- Madeleine Goddard
- Joan Gardner
- Lupita
- Anthony Bushell
- Bob Carter
- Ursula Jeans
- Gertrude
- Margery Pickard
- Colette
- Eliot Makeham
- Anatole Bergen
- Austin Trevor
- Dr. Muller
- Sam Livesey
- Major Schaffer
- Edmund Willard
- General Berlin
- Charles Carson
- Head of Fifth Bureau
- Philip Ray
- Faber
- Henry Oscar
- Swedish Magistrate
- Lawrence Hanray
- Cottin
- Cecil Parker
- Capt. of Q-Boat
- Reginald Tate
- Mate of Q-Boat
- Percy Walsh
- Capt. of Swedish Packet
- Robert Newton
- Officer of U-Boat
- William Dewhurst
- The Killer
- Laidman Browne
- Rugge
- M. Martin Harvey
- Bohlau
- Anthony Holles
- Dutchman
- Gordon Begg
- Swedish Passport Official
- Wallace Bosco
- Swedish Customs Officer
- Gerald Case
- Bill
- Alf Casha
- Cherry Orchard Patron
- John Clifford
- Minor role
- Gilbert Davis
- Fifth Bureau Official
- Leo de Pokorny
- Club Waiter
- Michael Martin Harvey
- Bohlan
- John Justin
- (Unknown)
- Nina Keech
- Woman at Club
- Cyril Smith
- Baron von Marwitz's Valet
- George Spence
- U-Boat Lookout
- Douglas Stewart
- French Passport Official
- Torin Thatcher
- Strasser
- Theodore Wilhelm
- U-Boat Commander
