- Ann Dvorak
- Ann Morgan
- Ben Lyon
- Butch, Sydney Chronicle Reporter
- Griffith Jones
- Capt. Bill Hamilton, MI5
- Robert Morley
- Van Der Stuyl
- Harold Huth
- Count Raul De La Vague
- Mary Maguire
- Blossom Leroy - Butch's Girlfriend
- Vera Bogetti
- Mme. Florien
- Harry Welchman
- Forsyth, MI5
- Frederick Burtwell
- J.B. Entwhisle, Butch's Editor
- Marian Spencer
- Lady Muriel
- Billy Holland
- Liftman (Hauptman Viner)
- Miles Malleson
- Watson, Newspaper Librarian
- Bernard Miles
- Nazi Propaganda Officer
- Hay Petrie
- Popinard, Amusement Park Owner
- Harry McElhone
- Harry the bartender
- Ian Fleming
- French Officer
- Nigel Green
- German Fifth Columnist, disguised as a French soldier
- Jeni Le Gon
- Cabaret Dancer
- John Longden
- French Officer
- Elisabeth Welch
- Cabaret Singer
- Manning Whiley
- French Officer
