- Writer:
- Alan Plater
- Designer:
- Tim Gleeson
- Producer:
- Leonard Lewis
- Director:
- Bill Hays
- Det. Chief Supt. Barlow:
- Stratford Johns
- Det.-Sgt. Hawkins:
- Norman Bowler
- Det.-Con. Dwyer:
- Gilbert Wynne
- Det.-Con. Box:
- Dan Meaden
- P.C. Tanner:
- David Quilter
- Assistant Chief Constable Gilbert:
- John Barron
- Gwenda Lloyd:
- Chrys Salt
- Mrs. Cutler:
- Brenda Peters
- Cutler:
- Frank Dunne
- Elliot:
- David Garfield
- Det.-Sgt. Hobbs:
- Peter Halliday
- Det.-Con. Devlin:
- Simon Prebble
- Magistrate:
- Basil Clarke
- Chief Supt Colson:
- James Beck
- Frank:
- Charles Rea
- Chief Con. Truman:
- Jeffrey Segal
- Janet Box:
- Susan Lawrance
