| Margaret Rutherford |
Miss Heather Honey |
| Richard Hearne |
Henry Wrigley |
| Edward Lexy |
Wilson |
| Fanny Rowe (as Frances Rowe) |
Marion |
| Michael Medwin |
Ernest |
| Eunice Gayson |
Pam |
| Sid James (as Sidney James) |
Sidney |
| Dora Bryan |
Pearl |
| Eric Berry |
Lord Otterbourne |
| Russell Waters |
Bunyan |
| Peter Jones |
Lidstone |
| Reg Varney |
Dennis |
| Suzanne Gibbs |
Sue |
| Francis De Wolff (as Francis De Wolfe) |
Policeman |
| James Robertson Justice |
Macalister |
| Ian Carmichael |
Office Junior |
| Kenneth Connor |
Board Member |
| Stringer Davis |
Board Member |
| Humphrey Lestocq |
Drunk Driver |
| Lesley Dudley |
Supporting Artist (Extra) |
| Jacqueline Cox |
Supporting Artist (Extra) |
