- Writer:
- Gerald Kelsey
- Series creator:
- Ted Willis
- Film cameraman:
- Tony Leggo
- Film editor:
- Jim Latham
- Designer:
- Chris Robilliard
- Director:
- David Askey
- Production:
- Ronald Marsh
- P.C. George Dixon:
- Jack Warner
- Spooner:
- George Betton
- Station-Sgt Flint:
- Arthur Rigby
- Det-Sgt Andy Crawford:
- Peter Byrne
- P.C. Jones:
- John Hughes
- Jessie Powell:
- Jean Trend
- Bob Powell:
- Glyn Edwards
- Joe Merchant:
- Bill Treacher
- Jim Potter:
- Victor Platt
- Mary Crawford:
- Jeannette Hutchinson
- Cadet Bonnet:
- Paul Elliott
- W.P. Sgt Chris Freeman:
- Anne Ridler
- Det-Con Lauderdale:
- Geoffrey Adams
- Mr Fawcett:
- Peter Bathurst
- Brian Grant:
- Frank Jarvis
- Ron Lambert:
- Frank Dunne
- Dave Wells:
- Louis Haslar
- W.P.C. Alex Johns:
- Jan Miller
- Burnett:
- Anthony Sagar
- Jenkins:
- Blake Butler
- Miss Sanders:
- Sonya Petrie
- Reg:
- Tony Barouch
- Bradwell:
- Maitland Moss
