Directed by
| George King | ||
Writing Credits
| Edgar Wallace | ... | (adapted from the play by) |
| Edward Dryhurst | ... | (screenplay) |
| Robert Stevenson | ... | (uncredited) |
Cast (in credits order) verified as complete
| Marius Goring | ... | Willie - Lord Lebanon | |
| Penelope Dudley-Ward | ... | Isla Crane (as Penelope Dudley Ward) | |
| Helen Haye | ... | Lady Lebanon | |
| Felix Aylmer | ... | Dr. Lester Charles Amersham | |
| George Merritt | ... | Chief Inspector William Tanner | |
| Ronald Shiner | ... | Police Sgt. Charlie Totty | |
| Patrick Barr | ... | Richard Ferraby | |
 |
Roy Emerton | ... | Gilder |
| George Hayes | ... | Brooks | |
|
|
John Warwick | ... | Arthur Studd |
| Rest of cast listed alphabetically: | |||
|
|
Gordon Begg | ... | Calvert - the Butler (uncredited) |
| Mavis Clair | ... | Mrs. Tilling (uncredited) | |
|
|
Dorothy Dewhurst | ... | Townswoman at Dance (uncredited) |
|
|
Vincent Holman | ... | Police Inspector (uncredited) |
| Roddy Hughes | ... | Vicar at Dance (uncredited) | |
|
|
Jack Mandeville | ... | P.C. at Tanner's Lecture (uncredited) |
| Elizabeth Scott | ... | Jackson - the Maid (uncredited) | |
| Torin Thatcher | ... | Jim Tilling - the Groundsman (uncredited) | |
|
|
Robert Brooks Turner | ... | Police Constable (uncredited) |
Produced by
| S.W. Smith | ... | producer (as S. W. Smith) |
Music by
| Jack Beaver | ||
Cinematography by
| Hone Glendinning | ... | (photography) |
Editing by
| Leslie Norman | ||
Art Direction by
| Bernard Robinson | ||
Production Management
| Herbert Smith | ... | production supervisor |
Second Unit Director or Assistant Director
| Hal Mason | ... | assistant director |
Sound Department
| Cecil Thornton | ... | sound (as C.V.Thornton) |
Camera and Electrical Department
| Harry Rose | ... | camera |
| Max Rosher | ... | still photographer (uncredited) |
