The theft of a famous painting leads to murder and many suspects on a plush train speeding from Paris to Rome.
| Directing | Walter Forde | Director |
| Writing | Ralph Stock | Dialogue |
| Writing | Frank Vosper | Dialogue |
| Art | Andrew Mazzei | Art Direction |
| Writing | Clifford Grey | Story |
| Editing | Fredrick Y. Smith | Editor |
| Camera | Günther Krampf | Director of Photography |
| Sound | Bill Salter | Sound |
| Directing | Pat Morton | Assistant Director |
| Crew | Carl Laemmle | Presenter |
| Production | Phil C. Samuel | Associate Producer |
| Costume & Make-Up | Gordon Conway | Costume Design |
| Visual Effects | Bernard Knowles | Visual Effects |
| Directing | W.J. Dodds | Assistant Director |
| Camera | S.R. Bonnett | Camera Operator |
| Camera | Stephen Dade | Camera Operator |
| Production | Michael Balcon | Producer |
| Editing | Ian Dalrymple | Editor |
| Directing | R.K. Neilson-Baxter | Assistant Director |
| Crew | Jack Whitehead | Special Effects |
| Sound | Leighton Lucas | Original Music Composer |
| Production | Victor A. Peers | Unit Production Manager |
| Art | Albert Jullion | Assistant Art Director |
| Sound | George Gunn | Sound Supervisor |
| Sound | T.S. Lyndon-Haynes | Sound Recordist |
| Camera | George Stevens | Assistant Camera |
| Sound | Louis Levy | Music Director |
| Camera | Gordon Dines | Assistant Camera |
| Sound | Stan Jolly | Sound Editor |
| Writing | Sidney Gilliat | Screenplay |
