First broadcast 7th September 1978.
A hung-over Regan pulls local Lothario Lukey Sparrow for his part in the theft of thirty thousand pounds worth of mercury.
John Thaw - Regan
Dennis Waterman - Carter
Diana Dors - Mrs. Rix
Malcolm McFee - Lukey Sparrow
Dawn Perllman - Linda Rix
James Ottaway - Uncle Billy
Richard Adams - Ray
Andrew Mussell - Rick
Rosemary Martin - Mrs. Lipman
Fanny Carby - Dot Plummer
Michael Melia - Rudd
Derek Martin - Spooner
John Judd - Sergeant
Rosie Collins - Gloria
Michael Tarn - Charlie Pearce
Timothy Kightley - Vicar Dennison
Bernard Stone - Mr. Lipman
Helen Keating - Cathy Clayton
Patrick Hannaway - Bernie
Cliff Diggins - Olly
Del Baker - Sid
Chris Webb - Arthur
Tony Allen - Bill the Driver
Ralph G. Morse - Suspect in opening credits
Fred Wood - Informant in park