- Writer:
- Ted Willis
- Designer:
- Norman James
- Production:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Det-Sgt Andy Crawford:
- Peter Byrne
- Duffy Clayton:
- Harold Scott
- Jennie Wren:
- Hilda Fenemore
- Billo Burke:
- Tommy Duggan
- Boxie:
- Violet Gould
- The Major:
- Sydney Arnold
- Det -Con Tommy Hughes:
- Graham Ashley
- W.P.C. Kay Shaw:
- Jocelyne Rhodes
- P.C. Lauderdale:
- Geoffrey Adams
- Sergeant Grace Millard:
- Moira Mannion
- Sergeant Flint:
- Arthur Rigby
- Tommy:
- Derek Ware
- Nell:
- Rhoda Greene
- Nancy:
- Dorothy Casey
- Cadet Jamie MacPherson:
- David Webster
