The Black Sheep of Whitehall (1942) — Cast
Cast
| John Mills | Jessop |
| Katie Johnson | Train Conductor |
| Henry Hewitt | Prof. Kenneth Monnitoff |
| Agnes Lauchlan | Unity Webster |
| Roddy Hughes | Female Journalist |
| Thora Hird | Joyce |
| George Merritt | Station |
| Marjorie Rhodes | Nurse |
| Barbara Valerie | Spooner |
| Frank Allenby | Onslowe |
| Ronald Shiner | Porter |
| Basil Sydney | Costello |
| Frank Cellier | Innsbach |
| Richard George | Nurse |
| Dorothy Hamilton | Rudge |
| Cyril Chamberlain | News Producer |
| Margaret Halstan | Matron |
| Kenneth Griffith | School Bus Boy |
| John Boxer | Receptionist |
| Diana Beaumont | Mgr. Tanninger's Nursing Home |
| George Woodbridge | Nurse |
| Leslie Mitchell | Interviewer |
| Aubrey Mallalieu | Collector |
| Brefni O'Rorke | Receptionist |
| Felix Aylmer | Macauley Crabtree |
| Owen Reynolds | Harman |
| Will Hay | Paula Davis |
| Joss Ambler | Sir Te |
Crew
| John Croydon | Production Manager |
| Günther Krampf | Cinematography |
| Angus MacPhail | Original Story |
| Ernest Irving | Music Director |
| Basil Dearden | Director |
| John Dighton | Original Story |
| Eric Cross | Director of Photography |
| Thomas N. Morahan | Art Direction |
| Angus MacPhail | Screenplay |
| Michael Balcon | Producer |
| John Dighton | Screenplay |
| Will Hay | Director |
| Ray Pitt | Editor |