First broadcast 14th December 1978.
Detective Sergeant Taylor is shot and wounded, and names his informant, Jimmy Park, as pulling the trigger.
John Thaw - Regan
Dennis Waterman - Carter
Garfield Morgan - Haskins
Sheila Reid - Doreen Haskins
Lynda La Plante - Eve Fisher (as Lynda Marchal)
Peter Wight - Jimmy Park
John Alkin - DS Tom Daniels
Elizabeth Burger - Joan
George Innes - Willoughby
Gillian Rhind - WPC Jackson
Benny Lee - Tommy Swain
John Biggerstaff - Mr. Culley
Katie Allan - Sharon
Stuart Wilde - Richard Haskins
Tony Allen - Bill the Driver
Eric Kent - Flying Squad Officer
Mike Mungarvan - Constable
