- Gary Cooper
- Prof. Alvah Jesper
- Robert Alda
- Pinkie
- Lilli Palmer
- Gina
- Vladimir Sokoloff
- Polda
- J. Edward Bromberg
- Trenk
- Marjorie Hoshelle
- Ann Dawson
- Ludwig Stössel
- The German
- Helene Thimig
- Katerin Lodor
- Dan Seymour
- Marsoli
- Marc Lawrence
- Luigi
- James Flavin
- Col. Walsh
- Patrick O'Moore
- The Englishman
- Charles Marsh
- Erich
- John Bagni
- Italian partisan
- Lex Barker
- Man Rescued at End
- Eugene Borden
- Inspector
- Paul Bradley
- Bit Role
- Frederic Brunn
- German
- Michael Burke
- OSS Agent
- Robert Coote
- Cronin
- Hella Crossley
- Rachel
- Elvira Curci
- Woman in Street
- Albert D'Arno
- Desk Clerk
- Yola d'Avril
- First Nurse
- Carl Deloro
- Ovra Man
- Vernon Downing
- British Sergeant
- Claire Du Brey
- Second Nurse
- Eddie Dunn
- French Wireless Operator
- Eric Feldary
- German
- Bruce Fernald
- Walsh's Assistant
- Ross Ford
- Paratrooper
- Art Foster
- Canadian Commander
- Richard Fraser
- British Submarine Skipper
- Arno Frey
- German Soldier
- Frederick Giermann
- Bank Manager
- Connie Gilchrist
- Woman
- Henry Guttman
- German
- Holmes Herbert
- British Officer
- Guy Kingsford
- British Commander
- Charles La Torre
- Janitor
- Marten Lamont
- Canadian Runner
- Bruce Lester
- British Officer
- Lynne Lyons
- Woman in Bank
- Rory Mallinson
- Paul
- Anthony Marsh
- Radio Operator
- Frank Mayo
- French Spy
- Peter Michael
- German Agent
- Marie Monteil
- Nun
- Neyle Morrow
- Pietro
- John Mylong
- German Captain
- Lillian Nicholson
- Nun
- Larry Olsen
- Tommy
- Paul Panzer
- Waiter
- Eddie Parker
- Gestapo Agent
- Gil Perkins
- Gestapo Agent
- Otto Reichow
- German Soldier
- Julian Rivero
- Punaro
- Ramon Ros
- Driver
- John Royce
- Bellhop
- Robert Santon
- Italian Boy
- Hector V. Sarno
- Proprietor
- Leonardo Scavino
- Italian Soldier
- Hans Schumm
- German Agent
- Janet Shaw
- Polda's False Daughter
- Dan Sheridan
- British Adjutant
- George Sorel
- Ovra Man
- Ray Spiker
- German
- Lotte Stein
- Loder's Nurse-Guard
- Robert R. Stephenson
- Photographer
- Don Turner
- Lingg
- Hans von Morhart
- German
- Regina Wallace
- Cashier
- Richard Walsh
- American Sergeant
- Douglas Walton
- British Pilot
- Leo White
- Room Service Waiter
- Crane Whitley
- Switchman
- Frank Wilcox
- American Officer
- Clifton Young
- American Commander
- Victor Zimmerman
- Bartender
