- Writer:
- Gerald Kelsey
- Series creator:
- Ted Willis
- Director:
- Eric Fawcett
- Production:
- Ronald Marsh
- George Dixon:
- Jack Warner
- Joe Swift:
- John May
- Mrs. Hudson:
- Honor Shepherd
- Sister:
- Colette Dunn
- Jean:
- Laurie Davey
- Mr. Crouch:
- Eric Mason
- Mrs. Crouch:
- June Brown
- Reg Long:
- Brian Harrison
- Porter:
- Conrad Monk
- Det.-Sgt. Andy Crawford:
- Peter Byrne
- P.C. Swain:
- Robert Arnold
- Det.-Con. Lauderdale:
- Geoffrey Adams
- Mr. Smith:
- Peter Forbes-Robertson
- Barman:
- Dennis Cleary
- Alf Stevens:
- Iain Anders
- Mrs. Stevens:
- Miranda Marshall
- P.C. Burton:
- Peter Thornton
- Bert Sands:
- Robert Hamilton
- Mr. Sands:
- Ken Wayne
- Mrs. Sands:
- Hilary Mason
- W.P.C. Shirley Palmer:
- Anne Carroll
- Mrs. Everard:
- Dorothy Frere
- Cafe proprietor:
- Ronald Govey
- Rosa:
- Diana Raworth
- Acting Sgt. Wills:
- Nicholas Donnelly
- Garage assistant:
- James McManus
- Mr. Jenkins:
- Ian Flintoff
- Mrs. Knight:
- Pamela Cundell
- Mr. Knight:
- Tommy Godfrey