- Dolores Del Río
- Dolores Daria Sunnel
- George Sanders
- Baron Kurt von Rohback / Lt. Michael Bruce
- Peter Lorre
- Maj. Sigfried Gruning
- Virginia Field
- Joan Bruce
- Sig Ruman
- Lt. Col. Gottfried Hollen
- Joseph Schildkraut
- Prince Ferdi Zu Schwarzwald
- Maurice Moscovitch
- Gen. Von Meinhardt
- Lionel Atwill
- Col. Fenwick
- Luther Adler
- Schratt
- Fritz Feld
- Fritz Mueller
- Lester Matthews
- Capt. Neville
- Carlos De Valdez
- Von Klingen
- Gregory Gaye
- Capt. Freymann
- Joan Carrol
- Elizabeth Bruce
- Claude King
- Captain
- Kenneth Hunter
- Commandant
- Frank Reicher
- Admiral
- Leonard Mudie
- Statesman
- Lynn Bari
- Miss Fenwick
- Walter Bonn
- Officer on Train
- Egon Brecher
- Bendiner
- John Burton
- Lieutenant
- Feodor Chaliapin Jr.
- Monk
- Colin Clive
- Col. Fenwick (rehearsed only)
- David Clyde
- Orderly
- Clyde Cook
- Orderly
- Herbert Evans
- Sergeant
- Neil Fitzgerald
- Orderly
- Arno Frey
- Soldier
- Elisabeth Fröhlich
- Farmer's Wife
- Bud Geary
- Captain's Aide
- Frederick Giermann
- Soldier
- Sam Harris
- Officer at Party
- Henry Hebert
- Ship's Officer
- Holmes Herbert
- Dr. Aldrich
- Olaf Hytten
- Barber
- Boyd Irwin
- Surgeon
- Hans Joby
- Waiter
- Victor Kolberg
- Sergeant
- Adia Kuznetzoff
- Majordomo
- Ian Maclaren
- Plainclothesman
- Greta Meyer
- Woman on Train
- Adolph Milar
- Ship's Officer
- Frank Puglia
- Monk
- Bert Sprotte
- Conductor
- David Thursby
- Sentry
- Michael Visaroff
- Referee
- Frederik Vogeding
- Danish Boat Captain
- Hans von Morhart
- Intelligence Officer
- Paul Weigel
- Schreiber, Hotel Manager
