- Writer:
- Peter Ling
- Series created by:
- Ted Willis
- Director:
- Eric Fawcett
- Production:
- Ronald Marsh
- George Dixon:
- Jack Warner
- Mr. Andrews:
- Alf Joint
- Mr. Everton:
- Bruno Barnabe
- Station-Sgt. Cooper:
- Duncan Lamont
- P.C. Burton:
- Peter Thornton
- Mrs. Polly:
- Barbara Miller
- P.C. Swain:
- Robert Arnold
- W.P.C. Betty Williams:
- Jean Dallas
- W.P.C. Shirley Palmer:
- Anne Carroll
- Mrs. Blake:
- Dorothy Frere
- Dr. Brinson:
- Walter Horsbrugh
- Dr. Michael Allwood:
- Neville Jason
- Miss Crewe:
- Celia Hewitt
- Margie Willes:
- Angela Morant
- Det.-Con. Lauderdale:
- Geoffrey Adams
- Det.-Sgt. Andy Crawford:
- Peter Byrne
- Joyce Blake:
- Jane Bolton
