- Writer:
- N.J. Crisp
- Series creator:
- Ted Willis
- Film Cameraman:
- Peter Sargent
- Film Editor:
- Angus Newton
- Designer:
- Austen Spriggs
- Director:
- David Askey
- Production:
- Ronald Marsh
- George Dixon:
- Jack Warner
- P.C. Wills:
- Nicholas Donnelly
- Nancy Wills:
- Judy Parfitt
- Sister:
- Pamela Lane
- Clinic assistant:
- Mary Pemberton
- Station Sgt. Flint:
- Arthur Rigby
- P.C. Roberts:
- Geoffrey Kenion
- Det.-Sgt. Andy Crawford:
- Peter Byrne
- Mary Crawford:
- Anna Dawson
- Det.-Con. Lauderdale:
- Geoffrey Adams
- P.C. Burton:
- Peter Thornton
- W.P.C. Liz Harris:
- Zeph Gladstone
- W.P.C. Shirley Palmer:
- Anne Carroll
- P.C. Swain:
- Robert Arnold
- Dr. Richards:
- Garth Adams
- Health visitor:
- Jean Dallas
- Pawnbroker:
- Desmond Cullum-Jones
- Registrar:
- John Gatrell
- Postman:
- Duncan Livingstone
- Woman in garden:
- Patricia Read
- Mrs. Foster:
- Coral Atkins
- Ted Foster:
- John Collin
- Nurse:
- Jane Thorne
- Miss Lucas:
- Jeanne Mockford