- Writer:
- Eric Paice
- Series created by:
- Ted Willis
- Film cameraman:
- Charles Lagus
- Film editor:
- Valerie Best
- Designer:
- Stewart Marshall
- Director:
- Robin Nash
- Production:
- Ronald Marsh
- P.C. George Dixon:
- Jack Warner
- Albert Fenwick:
- Peter Welch
- Tony Pierce:
- Anthony Wager
- Harry:
- Neville Denis
- P.C. Jones:
- John Hughes
- Ted Simmons:
- Manning Wilson
- Sergeant Flint:
- Arthur Rigby
- Det-Sgt Andy Crawford:
- Peter Byrne
- D.P.C. Lauderdale:
- Geoffrey Adams
- Mrs Simmons:
- Dorothy Frere
- Johnson:
- Pat Connell
- Bates:
- Antony Webb
- W.P. Sgt Freeman:
- Anne Ridler
- Cadet Michael Bonnet:
- Paul Elliott
- W.P.C. Alex Johns:
- Jan Miller
- Jenny Wren:
- Hilda Fenemore
- Mary Crawford:
- Jeannette Hutchinson
- Badger Smith:
- Michael Rachan
- Stall holder:
- Desmond Cullum Jones
- Judy Simmons:
- Wendy Hall
