- Writer:
- Gerald Kelsey
- Series created by:
- Ted Willis
- Director:
- Vere Lorrimer
- Producer:
- Ronald Marsh
- George Dixon:
- Jack Warner
- Ted Benson:
- Richard Shaw
- Les Benson:
- Anthony Booth
- Jack Lane:
- Terence Rigby
- P.C. Burton:
- Peter Thornton
- P.C. Swain:
- Robert Arnold
- Station Sgt. Cooper:
- Duncan Lamont
- Det.-Sgt. Andy Crawford:
- Peter Byrne
- Happy Day:
- Patrick McAlinney
- Mr. Clifford:
- James Copeland
- P.C. Bryant:
- Ronald Bridges
- Dr. Hobbs:
- Patrick Godfrey
- Nurse Banks:
- Gillian King
- P.C. Wills:
- Nicholas Donnelly
- Sister Haynes:
- Barbara Ogilvie
- Det.-Supt. Harvey:
- Geoffrey Keen
- W.P.C. Shirley Palmer:
- Anne Carroll
- W.P.C. Betty Williams:
- Jean Dallas
- Det. Con. Lauderdale:
- Geoffrey Adams
- Fred Wood:
- Conrad Monk
- Mrs. Day:
- Edna Dore
- Mr. Owen:
- Jay Denver
- Mrs. Price:
- Katherine Parr
