- Writer:
- Ted Willis
- Script associate:
- Fiona McConnell
- Film cameraman:
- A. A. Englander
- Film editor:
- Ken Cooper
- Designer:
- Austen Spriggs
- Producer:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Det-Sgt Andy Crawford:
- Peter Byrne
- Mary:
- Jeannette Hutchinson
- Sergeant Flint:
- Arthur Rigby
- P.C. Lauderdale:
- Geoffrey Adams
- Prob P.C. Jamie MacPherson:
- David Webster
- Det-Con Jack Cotton:
- Michael Nightingale
- Jennie Wren:
- Hilda Fenemore
- Ron Smethers:
- Geoffrey Frederick
- Mr Smethers:
- Michael Brennan
- Christopher:
- Paul Michael
- Betty:
- Helen Bird
- W.P. Sgt Scott (Scotty):
- Ruth Lodge
- W.P.C. Kay Shaw:
- Jocelyne Rhodes
- Millie French:
- Jill Mai Meredith
- Mrs French:
- June Ellis
- Mr Straker:
- Patrick Cargill
- The Magistrate:
- Ivan Samson
- Prosecuting Counsel:
- John Boxer
