- Writer:
- N.J. Crisp
- Series creator:
- Ted Willis
- Film cameraman:
- Gordon MacKay
- Film editor:
- Jim Latham
- Designer:
- Geoff Kirkland
- Director:
- Robin Nash
- Production:
- Ronald Marsh
- P.C. George Dixon:
- Jack Warner
- Mrs White:
- Winifred Dennis
- Station Sgt Flint:
- Arthur Rigby
- Mr Tyler:
- John Gill
- P.C. Jones:
- John Hughes
- Cadet Michael Bonnet:
- Paul Elliott
- Det-Sgt Andy Crawford:
- Peter Byrne
- Mary Crawford:
- Jeannette Hutchinson
- Vie Saunders:
- Howard Pays
- Wilson:
- Michael Robbins
- Chalky:
- Dervis Ward
- Jerry:
- Roland Curram
- Det-Insp Cherry:
- Robert Cawdron
- Det-Con Lauderdale:
- Geoffrey Adams
- Sergeant Nelson:
- Edward Higgins
- Railwayman:
- Frank Seton
- W.P. Sgt Freeman:
- Anne Ridler
- W.P.C. Alex Johns:
- Jan Miller
- P.C. Wills:
- Nicholas Donnelly
- Mac:
- Douglas Ives
- Connor:
- Harry Towb
- Girl:
- Patricia Capton
- Boy:
- Clive Marshall
- Radio operator:
- Dennis Chinnery
- Car hire clerk:
- Geoffrey Lea
- Cashier:
- Graham Suter