Larry Haines, a mediocre vaudeville entertainer, boards a train for Los Angeles. Aboard, he meets an attractive, blonde British agent carrying a coded message hidden in a brooch—and is being pursued by Nazi agents.
| Editing | William Shea | Editor |
| Production | Buddy G. DeSylva | Executive Producer |
| Art | Robert Usher | Art Direction |
| Writing | Don Hartman | Screenplay |
| Sound | David Buttolph | Original Music Composer |
| Writing | Frank Butler | Screenplay |
| Costume & Make-Up | Edith Head | Costume Design |
| Directing | Sidney Lanfield | Director |
| Art | Hans Dreier | Art Direction |
| Writing | Melvin Frank | Story |
| Writing | Norman Panama | Story |
| Camera | William C. Mellor | Director of Photography |
| Costume & Make-Up | Wally Westmore | Makeup Artist |
| Sound | Gene Merritt | Sound Recordist |
| Sound | Gene Garvin | Sound Recordist |
| Production | Paul Jones | Associate Producer |
