John Martin / Lt. (j.g.) Philip Masson, U.S.N.R. / Philippe Martine
Miss Ellen Rogers / Madame Elaine Duprez
Cmdr. Brady
Col. Paul Meister
(W)omen's (A)rmy (C)orps Radio Operator Mary
Frank Schmidt (O)perational (S)upport (P)ackages, (M)aterial, Maintenance, Management, U.S.N.R. / Parker
Robert Bouchet, Tech Sgt., A.U.S. / Albert Bernardi
Amadeus Brink
Rodney "Gates" Parrish / Raoul Josse
Field
Col. Crawson
Marcel Aubert
Gen. Donovan
Gerard
Madame Prideaux
Arnheim
Claudette (uncredited)
German Radar Captain (uncredited)
Electronics Engineer (uncredited)
German Soldier (uncredited)
American Soldier (uncredited)
MP NCO (uncredited)