- Writer:
- David Ellis
- Series created by:
- Ted Willis
- Designer:
- Stewart Marshall
- Designer:
- Austin Ruddy
- Director:
- Robin Nash
- Production:
- Ronald Marsh
- P.C. George Dixon:
- Jack Warner
- Bernard Glaister:
- Edward Chapman
- Donald Cook:
- Emrys Leyshon
- Tony Glaister:
- Edward Petherbridge
- Ethel Manners:
- Edna Petrie
- W.P.C. Alex Johns:
- Jan Miller
- Sergeant Flint:
- Arthur Rigby
- P.C. Jones:
- John Hughes
- Mary Crawford:
- Jeannette Hutchinson
- Molly Chambers:
- Patricia Reid
- Cadet Michael Bonnet:
- Paul Elliott
- Jill Holland:
- Sandra Blane
- Anne Lewis:
- Mary Webster
- Bill:
- Mike Savage
- Det-Con Lauderdale:
- Geoffrey Adams
- Det-Sgt Andy Crawford:
- Peter Byrne
- Aloysius Browne:
- Harry Locke
- W.P. Sgt Freeman:
- Anne Ridler
- Mrs Lewis:
- Jean Holness
- Angela Chambers:
- Ria Mills
