First broadcast 13th September 1976.
Some years earlier Billy Medhurst was one of a gang of thieves, one of whom shot and crippled police sergeant Eddie Jackson before escaping to Spain.
John Thaw - Regan
Dennis Waterman - Carter
Garfield Morgan - Haskins
Anthony Heaton - Billy Medhurst
Maureen Sweeney - Mrs. Medhurst
Lewis Fiander - Ashby-Jones
John Alkin - DS Tom Daniels
Martin Fisk - Eddie Jackson
Johnny Shannon - Mason
James Beckett - Stan
Paul Kember - Mickey
James Taylor - Gregory
Peter Clapham - Local Inspector
Miranda Bell - Sheila Jackson
Tony Allen - Bill the Driver
Eric Kent - Haskins' Driver
Quentin Pierre - Witness