- Writer:
- N.J. Crisp
- Series created by:
- Ted Willis
- Director:
- David Askey
- Production:
- Ronald Marsh
- George Dixon:
- Jack Warner
- Ben Chambers:
- Victor Winding
- Mr. Khan:
- Allen Heider
- Airport Doctor:
- Richard Steele
- Medical receptionist:
- Anjula Harman
- Driver of hire car:
- Tony Handy
- Mrs. Regan:
- Ursula Jeans
- P.C. Turner:
- Andrew Bradford
- Det.-Sgt. Andy Crawford:
- Peter Byrne
- Mother Superior:
- Barbara Lott
- Lynn Chambers:
- Ingrid Brett
- Sergeant Wills:
- Nicholas Donnelly
- School porter:
- Bill Treacher
- W.D.C. Ann Foster:
- Pamela Buchner
- Det.-Con. Pearson:
- Joe Dunlop
- Det.-Con. Lauderdale:
- Geoffrey Adams
- P.C. Swain:
- Robert Arnold
- Waiter:
- David Rose
- Telegraph boy:
- Andrew Lane
- Consultant:
- John Bryans
