- Writer:
- Ted Willis
- Designer:
- Frederick Knapman
- Production:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Sergeant Flint:
- Arthur Rigby
- Sgt Grace Millard:
- Moira Mannion
- P.C. Lauderdale:
- Geoffrey Adams
- P.C. Bert Scott:
- Anthony Bate
- Maisie:
- Hilda Fenemore
- P.C. Nightingale:
- David Phethean
- P.C. Mortimer:
- Max Latimer
- P.C. Fortis:
- George Curtis
- P.C. Shipley:
- David Stuart
- Tyne:
- Lionel Gamlin
- Jimmy Humphrey:
- Larry Martyn
- Mrs Wilcox:
- Diana Beaumont
- Mrs Grey:
- Freda Bamford
- Det-Sgt Andy Crawford:
- Peter Byrne
- Mary:
- Jeannette Hutchinson
- Superintendent:
- Robert Raglan
- Cadet Jamie MacPherson:
- David Webster
- Det-Con Hughes:
- Graham Ashley
- Jumble:
- Lionel Ngakane
- Alex Johnson:
- Dan Jackson
- Ruth Johnson:
- Barbara Assoon
