| Person | Type | Job | Role(s) |
|---|---|---|---|
 Daniele Amfitheatrof | Crew | Sound | Music |
Haldane Douglas | Crew | Art | Art Direction |
Hans Dreier | Crew | Art | Art Direction |
Harold Lewis | Crew | Sound | Sound Recordist |
Heinz Roemheld | Crew | Sound | Music |
 Irving Pichel | Crew | Directing | Director |
John Cope | Crew | Sound | Sound Recordist |
John Francis Murphy | Crew | Directing | Assistant Director |
Lionel Lindon | Crew | Camera | Director of Photography |
Mary Kay Dodson | Crew | Costume & Make-Up | Costume Design |
 Richard Maibaum | Crew | Production | Producer |
Robert Thoeren | Crew | Writing | Screenplay |
 Sam Comer | Crew | Art | Set Decoration |
 Wally Westmore | Crew | Costume & Make-Up | Makeup Supervisor |
William Shea | Crew | Editing | Editor |
Stanley J. Sawley | Crew | Art | Set Decoration |
 Alan Ladd | Cast | Actor | John Martin / Lt. (j.g.) Philip Masson, U.S.N.R. / Philippe Martine |
 Bobby Driscoll | Cast | Actor | Gerard |
 Crane Whitley | Cast | Actor | Arnheim |
 Don Beddoe | Cast | Actor | Rodney "Gates" Parrish / Raoul Josse |
 Dorothy Adams | Cast | Actress | Claudette (uncredited) |
 Egon Brecher | Cast | Actor | Marcel Aubert |
 Frank Ferguson | Cast | Actor | Electronics Engineer (uncredited) |
 Gavin Muir | Cast | Actor | Col. Crawson |
George Bruggeman | Cast | Actor | MP NCO (uncredited) |
 Geraldine Fitzgerald | Cast | Actress | Miss Ellen Rogers / Madame Elaine Duprez |
 Gloria Saunders | Cast | Actress | (W)omen's (A)rmy (C)orps Radio Operator Mary |
 Harold Vermilyea | Cast | Actor | Amadeus Brink |
 John Dehner | Cast | Actor | German Radar Captain (uncredited) |
 John Hoyt | Cast | Actor | Col. Paul Meister |
 Joseph Crehan | Cast | Actor | Gen. Donovan |
 Julia Dean | Cast | Actress | Madame Prideaux |
 Onslow Stevens | Cast | Actor | Field |
 Patric Knowles | Cast | Actor | Cmdr. Brady |
 Richard Benedict | Cast | Actor | Robert Bouchet, Tech Sgt., A.U.S. / Albert Bernardi |
 Richard Webb | Cast | Actor | Frank Schmidt (O)perational (S)upport (P)ackages, (M)aterial, Maintenance, Management, U.S.N.R. / Parker |
Carl R. Botefuhr | Cast | Actor | American Soldier (uncredited) |
Leo Schlesinger | Cast | Actor | German Soldier (uncredited) |
| Person | Type | Job | Role(s) |
