Travellers board a flight, unaware that other passengers might be spies and counterspies, complete with secret documents, poison and elaborate plans to engage in international espionage!
| Writing | John Wilste | Story |
| Production | William Stephens | Producer |
| Directing | William Berke | Director |
| Writing | Maurice Tombragel | Screenplay |
| Production | Robert L. Lippert | Executive Producer |
| Camera | Carl Berger | Director of Photography |
| Sound | Raoul Kraushaar | Music |
| Editing | Edward Mann | Editor |
| Art | Martin Obzina | Art Direction |
| Art | Edward R. Robinson | Set Decoration |
