When Francis and Douglas Oberon learn that their late grandmother has bequeathed the family fortune to distant cousin Toni, they immediately start plotting to get their hands on the money. They dream up a plot whereby they cannot fail to acquire a comfortable future; the lovely Toni must either be murdered, or married...
| Directing | Robert Asher | Director |
| Writing | Ian Stuart Black | Writer |
| Production | Jack Asher | Producer |
| Production | Robert Asher | Producer |
| Writing | John Waterhouse | Screenplay |
| Sound | Philip Green | Music |
| Editing | Gerry Hambling | Editor |
| Camera | Jack Asher | Director of Photography |
| Production | Fred A. Swan | Production Supervisor |
| Art | John Stoll | Art Direction |
| Costume & Make-Up | Anthony Mendleson | Wardrobe Designer |
| Directing | Gerry O'Hara | Assistant Director |
| Camera | Cecil Cooney | Camera Operator |
| Sound | Gerry Turner | Sound Recordist |
| Directing | Joan Davis | Continuity |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Costume & Make-Up | Pearl Orton | Hairdresser |
| Costume & Make-Up | Eileen Sullivan | Wardrobe Master |
| Sound | Jim Groom | Sound Editor |
| Sound | Philip Green | Original Music Composer |
| Sound | Philip Green | Conductor |
