 |
Alastair Sim as Samuel Blight |
 |
Barry K. Barnes as Larry Preston |
 |
Diana Churchill as Janet Preston |
 |
Edward Chapman as Detective Inspector Bray |
 |
Ruby Miller as Mrs. Honeycombe |
 |
Austin Trevor as Heinreks |
 |
Leo Genn as Another Agent |
 |
Geoffrey Sumner as Detective Delacroix |
 |
Glen Alyn as Agent Posing as Reporter |
 |
Torin Thatcher as Karl Bergsen |
 |
Carl Jaffe as Foreign Agent |
 |
Cathleen Nesbitt as Miss. Sampson |
 |
Cyril Smith as Barber |
 |
James Harcourt as Judge |
| Directing | David MacDonald | Director |
| Writing | Roger MacDougall | Screenplay |
| Production | K.C. Alexander | Producer |
| Sound | Francis Chagrin | Music |
| Camera | Ernest Palmer | Director of Photography |
| Editing | Douglas Myers | Editor |
| Art | James A. Carter | Art Direction |
| Production | Louis London | Production Manager |
| Directing | George Pollock | Assistant Director |
| Sound | Leo Wilkins | Sound Recordist |
| Camera | Cecil Cooney | Camera Operator |
