- Writer:
- Ted Willis
- Designer:
- Fanny Taylor
- Production:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Det-Sgt Andy Crawford:
- Peter Byrne
- Det-Con Tommy Hughes:
- Graham Ashley
- Sergeant Flint:
- Arthur Rigby
- Jennie Wren:
- Hilda Fenemore
- Sergeant Grace Millard:
- Moira Mannion
- W.P.C. Kay Shaw:
- Jocelyne Rhodes
- Cadet Jamie MacPherson:
- David Webster
- P.C. Lauderdale:
- Geoffrey Adams
- Christie:
- Eddie Malin
- Sandra:
- Jane Masters
- Ronnie Pearce:
- David Robinson
- Dawn Pearce:
- Judith Geeson
- Mrs Bright:
- Gretchen Franklin
- P.C. Swanson:
- Dennis Castle
- Joe Scott:
- Sidney Sloth
