- Writer:
- Ted Willis
- Production:
- Douglas Moodie
- P.C. George Dixon:
- Jack Warner
- Sergeant Flint:
- Arthur Rigby
- P.C. Bob Penney:
- Anthony Parker
- P.C. Lauderdale:
- Geoffrey Adams
- 'Wiff' Evans:
- Anthony Oliver
- Sgt. Grace Millard:
- Moira Mannion
- Susan Wood:
- Jennifer Wilson
- Mrs. Pam Evans:
- Dorothea Phillips
- Mary:
- Jeannette Hutchinson
- Andy Crawford C.I.D.:
- Peter Byrne
- P.C. Hughes:
- Graham Ashley
- Nancy:
- Dorothy Casey
- Nurse Ruth Toole:
- Jocelyn Rhodes
- Dick Firestone:
- David Phethean
- Mr. Park:
- Arthur Lawrence
- Stockway:
- John Stone
- Mrs. Bradbury:
- Kathleen Heath
