- Writer:
- Mervyn Haisman
- Writer:
- Henry Lincoln
- Series devised by/Producer:
- Gerard Glaister
- Series devised by:
- N.J. Crisp
- Script Editor:
- Nick McCarty
- Designer:
- Richard Wilmot
- Director:
- Ronald Wilson
- Jack Bromfield:
- John Stratton
- Thomas Barling:
- John Gabriel
- Joe Crane:
- Frederick Peisley
- Norman Sherwood:
- Tom Chatto
- Mary Taylor:
- Lucinda Curtis
- Dr. Jo Hardy:
- Ann Morrish
- Young policeman:
- Ian Lowe
- Ambulance man:
- James McManus
- Police Sergeant:
- Barrie Fletcher
- Dr. John Hardy:
- Marius Goring
- David Bromfield:
- Michael Cadman
- Caldicott:
- Geoffrey Chateb
- Inspector Gresham:
- John Nettleton
- Sergeant Cook:
- David Hargreaves
- Det.-Sgt. Ashe:
- Michael Farnsworth
- Det. Chief Insp. Fleming:
- Victor Winding
- Vicky Hammond:
- Cleo Sylvestre
- Jim Lane:
- Del Henney