Italian partisans help a professor sent by the OSS to find an atomic scientist held by Nazis.
| Production | Milton Sperling | Producer |
| Writing | John Larkin | Story |
| Directing | Fritz Lang | Director |
| Camera | Sol Polito | Director of Photography |
| Writing | Ring Lardner, Jr. | Screenplay |
| Editing | Christian Nyby | Editor |
| Writing | Albert Maltz | Screenplay |
| Sound | Max Steiner | Original Music Composer |
| Writing | Boris Ingster | Story |
| Writing | Corey Ford | Book |
| Writing | Alastair MacBain | Book |
| Camera | Pat Clark | Still Photographer |
| Art | Max Parker | Art Direction |
| Art | Walter F. Tilford | Set Decoration |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
