- Writer:
- Gerald Kelsey
- Series created by:
- Ted Willis
- Film Cameraman:
- Tony Leggo
- Film Editor:
- Paddy Wilson
- Designer:
- Gwen Evans
- Director:
- David Askey
- Production:
- Ronald Marsh
- George Dixon:
- Jack Warner
- Det-Con. Lauderdale:
- Geoffrey Adams
- Nat Singer:
- Ray Barrett
- Norma Parker:
- Diana Coupland
- Station Sgt. Flint:
- Arthur Rigby
- P.C. Swain:
- Robert Arnold
- P.C. Roberts:
- Geoffrey Kenion
- Det -Sgt. Andy Crawford:
- Peter Byrne
- W.P. Sgt. Jean Bell:
- Patricia Forde
- Dave:
- Norman Jones
- Bill:
- Richard Shaw
- Mrs. Singer:
- Edna Dore
- Ron Coles:
- Frank Jarvis
- Jigger Leas:
- Reg Lye
- Jennie:
- Pauline Barker
- Eddie Gardner:
- Richard Klee
- Shirley:
- Rosemarie Dunham
- Mike Dawson:
- James Hunter
- First student:
- Jill Fletcher
- Second student:
- Clive Marshall
- Miss Lucas:
- Jeanne Mockford
- Mrs. Dawson:
- Anna Turner
- Mr. Dawson:
- Robert Hartley
- Mr. Taylor:
- Alan Rolfe
