- Writer:
- Ted Willis
- Script associate:
- Fiona McConnell
- Film cameraman:
- Tony Leggo
- Film editor:
- Ken Cooper
- Designer:
- Fanny Taylor
- Producer:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Harry Shuttleworth:
- David Kernan
- Det-Sgt Garner:
- John Dearth
- P.C. Screen:
- Rodney Bewes
- Det-Sgt Andy Crawford:
- Peter Byrne
- Det-Inspector Cherry:
- Robert Cawdron
- Det-Con Jack Cotton:
- Michael Nightingale
- P.C. Lauderdale:
- Geoffrey Adams
- Sergeant Flint:
- Arthur Rigby
- Prob P.C. Jamie MacPherson:
- David Webster
- Mavis Taylor:
- Diana Daneman
- W.P. Sgt Scott (Scotty):
- Ruth Lodge
- W.P.C. Kay Shaw:
- Jocelyne Rhodes
- Mary:
- Jeannette Hutchinson
- Jennie Wren:
- Hilda Fenemore
- Sgt Grace:
- Tony Veale
- Adrienne Timothy (Addy):
- Pauline Yates
- Mrs Reading:
- Anthea Lloyd
