| Alastair Sim |
Captain James Deniston Russell |
| Fay Compton |
Agnes Russell |
| Beatrice Campbell |
Lucille Grayson |
| Guy Middleton |
Simon Russell |
| A.E. Matthews (as A. E. Matthews) |
Sir Charles Robson |
| Joyce Grenfell |
Elizabeth Robson |
| Anthony Steel |
Roger Godfrey |
| John Laurie |
Gordon Webb |
| Eleanor Summerfield |
Sheila Wilcott |
| Ronald Adam (as Ronald Adams) |
Bank Manager |
| Leslie Dwyer |
Police Sergeant |
| Ernest Thesiger |
Endicott |
| Charlotte Mitchell |
Ethel |
| Mackenzie Ward |
Benson |
| George Cole |
Herbert Russell |
| Veronica Hurst |
Joan Webb |
| Audrey Hepburn |
Cigarette Girl |
| Hugh Griffith |
Henry Russell |
| Colin Gordon |
Station Constable |
| Michael Pertwee |
Stewart |
| Mary Germaine |
Susan Heath |
| Noel Howlett |
Clerk of the Court |
| Martin Boddey |
Store Shopwalker |
