- Writer:
- Ted Willis
- Script Associate:
- Rex Edwards
- Designer:
- Richard Wilmot
- Production:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Andy Crawford, C.I.D.:
- Peter Byrne
- Todd:
- Peter Stephens
- Ryan:
- Eric Dodson
- Marie:
- June Whitfield
- Woody:
- Glyn Houston
- Sergeant Flint:
- Arthur Rigby
- Mrs. Phipps:
- Beau Daniels
- Mary:
- Jeannette Hutchinson
- P.C. Bob Penney:
- Anthony Parker
- Nancy:
- Dorothy Casey
- Sgt. Grace Millard:
- Moira Mannion
- Sergeant Muir:
- Jerold Wells
- Detective Sgt Brownrigg:
- Anthony Sagar
- Superintendent:
- Austin Trevor
- P.C. Hughes:
- Graham Ashley
- P.C. Cox:
- Michael Stainton
- Nobby:
- Patrick Connor
- Police-dog handler:
- Benn Simons
- Kim:
- Amphion of Palermo
