- Writer:
- Ted Willis
- Designer:
- Lawrence Broadhouse
- Production:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Mr Briggs:
- Ballard Berkeley
- Mrs Briggs:
- Mary Kerridge
- Harry Briggs:
- John Breslin
- Big Bert:
- Roy Patrick
- Little Bert:
- Arthur Goullet
- Sergeant Flint:
- Arthur Rigby
- Cadet Jamie MacPherson:
- David Webster
- Mr Forbes:
- Roderick Lovell
- Mr Perks:
- Kenneth Kove
- Det-Sgt Andy Crawford:
- Peter Byrne
- Sgt Grace Millard:
- Moira Mannion
- P.C. Lauderdale:
- Geoffrey Adams
- Det-Con Tommy Hughes:
- Graham Ashley
- Jennie Wren:
- Hilda Fenemore
- W.P.C. Kay Shaw:
- Jocelyne Rhodes
