 | Ivor Novello als The Lodger Jonathan Drew |
 | Marie Ault als Mrs. Bunting the Landlady |
 | Arthur Chesney als Mr. Bunting |
 | June Tripp als Daisy Bunting |
 | Malcolm Keen als Joe Chandler |
 | Reginald Gardiner als Dancer at Ball (uncredited) |
 | Eve Gray als Showgirl Victim (uncredited) |
 | Alfred Hitchcock als Man in Newspaper Office (uncredited) |
 | Alma Reville als Woman Listening to Wireless (uncredited) |
| Ivor Montagu | Title Graphics |
| Ivor Montagu | Editor |
| C. Wilfred Arnold | Art Direction |
| Gaetano di Ventimiglia | Director of Photography |
| Michael Balcon | Producer |
| Alfred Hitchcock | Director |
| Marie Belloc Lowndes | Novel |
| Bertram Evans | Art Direction |
| Carlyle Blackwell | Producer |
| Marie Belloc Lowndes | Theatre Play |
| Nitin Sawhney | Music |
| Ashley Irwin | Music |
| Alma Reville | Script Supervisor |
| Hal Young | Director of Photography |
| Renie Morrison | Script Supervisor |
| Alma Reville | Assistant Director |
| E. McKnight Kauffer | Title Designer |
| Alfred Hitchcock | Screenplay |
| Eliot Stannard | Screenplay |
