 | Herbert Lom als Jules de Lisle / Georges de Lisle |
 | Phyllis Dixey als Penny aka Gloria Gregg |
 | Terence de Marney als Mike Bergen |
 | Ronald Frankau als Vincent Barney |
 | Abraham Sofaer als French Judge |
 | Eugene Deckers als French Ringmaster |
 | Cromwell Brothers als Trapeze Act (as The Cromwell Brothers) |
| Ernst Ulman |
| Ben Williams |
| Clarence Wright |
| Beryl Measor |
| Harold Berens |
| Griffiths Moss |
| Gerald Conway |
 | Sebastian Cabot als Lottery Office Clerk |
| H. G. Guinle |
| Andreas Malandrinos als (as Andre Malandrinos) |
| Eric Mason |
| Marcel Poncin |
| Len Sharp |
| Alfred Travers | Director |
| Alfred Travers | Screenplay |
| Stephen Clarkson | Screenplay |
| Vivienne Adès | Screenplay |
| Renalt Capes | Original Story |
| Stanley Black | Conductor |
| Stanley Black | Original Music Composer |
| Hans May | Music Director |
| Harold V. King | Sound Director |
| James Wilson | Director of Photography |
| R. Holmes Paul | Art Direction |
| Monica Kimick | Editor |
| Fred A. Swan | Production Supervisor |
| Robert Asher | Assistant Director |
| Gerald Moss | Camera Operator |
| Cecil Thornton | Sound Recordist |
| Mrs. Tweedy | Wardrobe Master |
| Henry Hayward | Makeup Artist |
| A. G. Scott | Hairstylist |
| Eva Catchpole | Sound Editor |
| Louis H. Jackson | Producer |
