Ava Gardner was briefly considered for the part of Catherine.
Howard Hawks' first film to be shot in Europe, it was beset with problems. The German winter was unbearably cold and most of the cast and crew fell ill. Ann Sheridan caught pleurisy (which developed into pneumonia), Cary Grant contracted hepatitis with jaundice, and Hawks broke out in hives.
Actress Eleanor Audley starred as the assignment officer, she was also the voice of some of Disney's's greatest villains
Film debut of Edward Platt.