- Writer:
- Ted Willis
- Designer:
- Lawrence Broadhouse
- Producer/Director:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Sergeant Flint:
- Arthur Rigby
- Det-Con Tommy Hughes:
- Graham Ashley
- Cadet Jamie MacPherson:
- David Webster
- Sgt Grace Millard:
- Moira Mannion
- W.P.C. Kay Shaw:
- Jocelyne Rhodes
- Bertie Slack:
- Edward Palmer
- Jock MacPherson:
- Andrew Faulds
- P.C. Lauderdale:
- Geoffrey Adams
- Stan Reed:
- Michael Caridia
- Benny Nelson:
- Michael Barnes
- Vic Smith:
- Brian Alexis
- Jennie Wren:
- Hilda Fenemore
- Det-Sgt Andy Crawford:
- Peter Byrne
- Dr Hargreaves:
- Alan Rolfe
- Det-Insp Cherry:
- Robert Cawdron
- Nurse:
- Cara Stevens
