When a man discovers his wife is having an affair, he commits the perfect crime.
| Actor | Role |
|---|---|
 Eric PortmanLee Warren | Lee Warren |
 Greta GyntVivien Warren | Vivien Warren |
 Dennis PriceRichard Fenton | Richard Fenton |
 Jack WarnerInspector Penbury | Inspector Penbury |
 Maxwell ReedJimmy Martin | Jimmy Martin |
 Hazel CourtAvis Fenton | Avis Fenton |
 Jane HyltonRita | Rita |
 Andrew CrawfordSergeant Fox | Sergeant Fox |
| CCharles RolfePrison Warden | Prison Warden |
| HHélène BurlsCharwoman | Charwoman |
 Ernest ButcherHall Porter | Hall Porter |
| JJudith CarolAmerican Secretary | American Secretary |
| VValerie WardWarren's Secretary | Warren's Secretary |
 John BlytheErnie | Ernie |
 Howard DouglasDoctor | Doctor |
| GGerald CaseSecond Doctor (Uncredited) | Second Doctor (Uncredited) |
| VVictor HaganAmerican Barman (Uncredited) | American Barman (Uncredited) |