 | Bob Monkhouse als Francis Oberon |
 | Alfred Marks als Douglas Oberon |
 | Hattie Jacques als Miss Richards |
 | Anna Karina als Toni Oberon |
 | Dennis Lotis als Gilbert |
 | Clive Dunn als Chemist |
 | Peter Butterworth als Dr. Fletcher |
 | Graham Stark als Arnold |
 | Hugh Lloyd als MacDonald, the Solicitor |
 | Harry Locke als Stationmaster |
 | Pat Coombs als Lady on Station Platform |
| Robert Asher | Director |
| Ian Stuart Black | Writer |
| Jack Asher | Producer |
| Robert Asher | Producer |
| John Waterhouse | Screenplay |
| Philip Green | Music |
| Gerry Hambling | Editor |
| Jack Asher | Director of Photography |
| Fred A. Swan | Production Supervisor |
| John Stoll | Art Direction |
| Anthony Mendleson | Wardrobe Designer |
| Gerry O'Hara | Assistant Director |
| Cecil Cooney | Camera Operator |
| Gerry Turner | Sound Recordist |
| Joan Davis | Continuity |
| Michael Morris | Makeup Artist |
| Pearl Orton | Hairdresser |
| Eileen Sullivan | Wardrobe Master |
| Jim Groom | Sound Editor |
| Philip Green | Original Music Composer |
| Philip Green | Conductor |
