- Writer:
- Ted Willis
- Script associate:
- John Warwick
- Film cameraman:
- Dick Bush
- Film editor:
- Valerie Best
- Designer:
- Austen L. Spriggs
- Director:
- Robin Nash
- Production:
- G. B. Lupino
- P.C. George Dixon:
- Jack Warner
- Rupert Dawson:
- Richard Shaw
- Toby Cole:
- Christopher Rhodes
- P.C. Clyde:
- Christopher Gilmore
- Det-Inspector Cherry:
- Robert Cawdron
- Det-Sgt Andy Crawford:
- Peter Byrne
- Det-Constable Lauderdale:
- Geoffrey Adams
- Clive Dawson:
- Stephen Marriott
- Kathy Dawson:
- Jane Barrett
- Mary:
- Jeannette Hutchinson
- Sergeant Flint:
- Arthur Rigby
- Superintendent:
- Noel Coleman
- Sergeant Barker:
- Norman Johns
- Inspector Rod Sheldon:
- Edward Dentith
- W.P. Sgt Freeman:
- Anne Ridler
- W.P.C. Alex Johns:
- Jan Miller
