Serena
VoltarElenco
Patrick HoltInspector Gregory
Emrys JonesHoward Rogers
Honor BlackmanAnn Rogers- Bruce BeebyDet. Sgt Conway
John HorsleyMr. Fisher- Robert PercevalBank Manager
Wally PatchBarman- Frank PettittFred (as Frank Pettit)
- Benedicta LeighPolicewoman Scott
Peter GlazeStation Booking Clerk- Vi StevensLandlady
- Howard GreeneRiver Police Sergeant
- Raymond SmithRiver Police Constable
- Lawrence JamesUniformed Constable
- Reginald HearneDoctor (as Reggie Hearne)
Barry LinehanForensic Chemist
Gerry DugganNorman Cole- Colin RixPlain Clothes Detective
- Bill MillsPhotographer
- Pat ShawUniformed Policewoman
- John TathamPC Barrow (sem créditos)