- Humphrey Bogart
- Jean Matrac
- Claude Rains
- Capt. Freycinet
- Michèle Morgan
- Paula Matrac
- Philip Dorn
- Renault
- Sydney Greenstreet
- Maj. Duval
- Peter Lorre
- Marius
- George Tobias
- Petit
- Helmut Dantine
- Garou
- John Loder
- Manning
- Victor Francen
- Capt. Patain Malo
- Vladimir Sokoloff
- Grandpere
- Eduardo Ciannelli
- Chief Engineer
- Corinna Mura
- Singer
- Fred Aldrich
- Seaman
- Charles Andre
- Navigator
- Robert Appel
- Guard
- John Bagni
- Seaman
- Albert Baldo
- Seaman
- Bobby Barber
- Frenchman
- Carmen Beretta
- Petit's Wife
- Monte Blue
- Second Mate
- Walter Bonn
- Prison Official
- Frederic Brunn
- Bijou
- Peter Camlin
- French Sergeant
- André Charlot
- Judge
- Hans Conried
- Jourdain
- Marcelle Corday
- Grocer's Wife
- Harry Cording
- Chief Guard
- Adrienne D'Ambricourt
- Rosalie - Mayor's Wife
- Franklin D'Amour
- Seaman
- John Daheim
- Seaman
- George Davis
- Jacques - Waiter
- Jean Del Val
- Raoul Doulaine
- Adrian Droeshout
- Guard
- Diane DuBois
- Petit's Daughter
- Demetris Emanuel
- Seaman
- Fred Essler
- Prosper - Mayor
- Richard Flato
- Bombardier
- Anatol Frikin
- Crazy Convict
- Hal Gerard
- Guard
- Fred Graham
- Thug Wrecking Newspaper Office
- Charles La Torre
- Lt. Lenoir
- Oscar Loraine
- German Soldier
- Harro Meller
- German Pilot
- Louis Mercier
- Engineer
- Victor Metzetti
- Guard
- Peter Miles
- Jean Matrac Jr.
- Suzette O'Neill
- Flower Woman
- Alex Papana
- Lookout
- Tony Paton
- Emil
- David Powell
- English Radio Operator
- Frank Puglia
- Older Guard
- Georges Renavent
- Guard
- Sylvain Robert
- Lieutenant
- William Roy
- Mess Boy
- Harry Semels
- Cayenne Prison Colony Guard
- Konstantin Shayne
- First Mate
- Jay Silverheels
- Sailor Crewman on Boat Deck
- Bernard Sommer
- Bombardier
- Raymond St. Albin
- Medical Officer
- Maurice St. Clair
- Dompierre
- Mark Stevens
- Lt. Hastings
- Jack Stoney
- Seaman
- Donald Stuart
- Military Driver
- Sándor Szabó
- Sergeant of the Guards
- Louis Trevis
- Bombardier
- Roger Valmy
- Rocroi
- Juan Varro
- Gunner at Field
- Hans Heinrich von Twardowski
- French Airfield Radio Man
