Alan Ladd
John Martin / Lt. (j.g.) Philip Masson, U.S.N.R. / Philippe Martine
Acting
Geraldine Fitzgerald
Miss Ellen Rogers / Madame Elaine Duprez
Acting
Patric Knowles
Cmdr. Brady
Acting
John Hoyt
Col. Paul Meister
Acting
Gloria Saunders
(W)omen's (A)rmy (C)orps Radio Operator Mary
Acting
Richard Webb
Frank Schmidt (O)perational (S)upport (P)ackages, (M)aterial, Maintenance, Management, U.S.N.R. / Parker
Acting
Richard Benedict
Robert Bouchet, Tech Sgt., A.U.S. / Albert Bernardi
Acting
Harold Vermilyea
Amadeus Brink
Acting
Don Beddoe
Rodney "Gates" Parrish / Raoul Josse
Acting
Onslow Stevens
Field
Acting
Gavin Muir
Col. Crawson
Acting
Egon Brecher
Marcel Aubert
Acting
Joseph Crehan
Gen. Donovan
Acting
Bobby Driscoll
Gerard
Acting
Julia Dean
Madame Prideaux
Acting
Crane Whitley
Arnheim
Acting
Dorothy Adams
Claudette (uncredited)
Acting
John Dehner
German Radar Captain (uncredited)
Acting
Frank Ferguson
Electronics Engineer (uncredited)
Acting
Leo Schlesinger
German Soldier (uncredited)
Acting
Carl R. Botefuhr
American Soldier (uncredited)
Acting
George Bruggeman
MP NCO (uncredited)
Acting