Reparto y equipo
-
Gary CooperProf. Alvah Jesper - Lilli PalmerGina
- Robert AldaPinkie
- Vladimir SokoloffGiovanni Polda
- J. Edward BrombergTrenk
- Marjorie HoshelleAnn Dawson
- Ludwig StösselThe German
- Helene ThimigKaterin Lodor
- Dan SeymourMarsoli
- Marc LawrenceLuigi
- James FlavinCol. Walsh
- Patrick O'MooreThe Englishman
- Charles MarshErich
- Don TurnerLingg (uncredited)
- Clifton YoungReparto
- Ross FordParatrooper (scenes deleted)
- Robert CooteCronin (scenes deleted)
- Hans SchummGerman Agent (uncredited)
- Peter MichaelGerman Agent (uncredited)
- Fritz LangDirección
- Milton SperlingProducción
- Boris IngsterGuion
- Corey FordGuion
- Albert MaltzGuion
- John LarkinGuion
- Ring Lardner Jr.Guion