 | Bulldog Drummond |
 | Vivian Bailey |
 | Cliff Sonnenberg (as Richard Stapley) |
 | Algy Longworth |
 | Kitty Fyffe |
 | Captain Sonnenberg |
 | Seymour |
Inspector McIver | |
 | Sergeant Shubeck |
 | Jerome Roberts (as Pat Aherne) |
 | Arno |
 | Minor Role |
 | Roberts' Receptionist |
 |
| Bulldog Drummond |
| Vivian Bailey |
| Cliff Sonnenberg (as Richard Stapley) |
| Algy Longworth |
| Kitty Fyffe |
| Captain Sonnenberg |
| Seymour |
Inspector McIver | |
| Sergeant Shubeck |
| Jerome Roberts (as Pat Aherne) |
| Arno |
| Minor Role |
| Roberts' Receptionist |
|