First broadcast 15th September 1975.
Joey Stickley, Regan's informant, is greedy but generally reliable. With Haskins in Toronto, his stand-in, Quirk, is obsessed with catching the 'Post Office Gang' and his grass tells him they are about to rob a jeweller's shop.
John Thaw - Regan
Dennis Waterman - Carter
Garfield Morgan - Haskins (credit only)
Bill Maynard - Det. Chief Insp. Stephen Quirk
John Tordoff - Joey Stickley
Vernon Dobtcheff - Harry Kretchmar
Carl Duering - Dantziz
Rosemarie Dunham - The Dowager
Christopher Coll - The Shop Owner
George Silver - Yannos
Vincent Wong - Japanese Tourist
Frank Coda - Quirk's Snout
Geoffrey Drew - Stooge
Brandy di Frank - The Stripper
Tony Allen - Bill the Driver
Francis Batsoni - Strip Club Punter
John Cannon - Constable
George Lane Cooper - Yannos's Bodyguard/Serious Crime Squad Officer 'Harry
Vi Delmar - Woman in bar
Bill Hibbert - Detective
Tommy Little - Snooker Player
Bill Reed - Lorry Driver
Bill Rooney - Man in pub
John Smart - Strip Club Punter
Byron Sotiris - Police Officer
Michael Stevens - Detective
Rocky Taylor - Flying Squad Officer
Reg Thomason - Strip Club Punter
Harry Tierney - Strip Club Punter
John Timberlake - Pub Patron
