Het komt Francis (Bob Monkhouse) en Douglas (Alfred Marks) ter ore dat hun verre nicht Toni (Anna Karina), een kamermeisje, een fortuin heeft geërfd. Nadat hun pogingen om Toni te versieren jammerlijk mislukken, besluiten Francis en Douglas hun nichtje te vermoorden, om op die manier zelf de erfenis op te kunnen strijken.
Nee, helaas is She'll Have to Go nog niet beschikbaar op Netflix in Nederland.
| Writing | Ian Stuart Black | Writer |
| Directing | Robert Asher | Director |
| Production | Jack Asher | Producer |
| Editing | Gerry Hambling | Editor |
| Writing | John Waterhouse | Screenplay |
| Sound | Philip Green | Music |
| Production | Robert Asher | Producer |
| Costume & Make-Up | Anthony Mendleson | Wardrobe Designer |
| Costume & Make-Up | Pearl Orton | Hairdresser |
| Directing | Joan Davis | Continuity |
| Costume & Make-Up | Eileen Sullivan | Wardrobe Master |
| Directing | Gerry O'Hara | Assistant Director |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Sound | Gerry Turner | Sound Recordist |
| Camera | Cecil Cooney | Camera Operator |
| Sound | Jim Groom | Sound Editor |
| Production | Fred A. Swan | Production Supervisor |
| Sound | Philip Green | Original Music Composer |
| Sound | Philip Green | Conductor |
| Camera | Jack Asher | Director of Photography |
| Art | John Stoll | Art Direction |
