John Thaw
Det. Insp. Jack Regan
Dennis Waterman
Det. Sgt George Carter
Garfield Morgan
Det. Chief Insp. Haskins
Lee Montague
Arthur Dale
David Daker
Tusser
Maureen Lipman
Annie
Janet Key
Kate Regan
Morris Perry
Det. Chief Supt. Maynon
Stephen Yardley
Det. Insp. Laker
Barry Jackson
Morton
Miquel Brown
Miriam
Peter Blythe
Peter
Carl Rigg
Det. Sgt. Kent
Michael De Costa
South
Ron Pember
Landlord
Jonathan Elsom
Interviewer
Betty Woolfe
Mrs Berry
Seymour Matthews
Doctor
Don Henderson
Strip Club Heavy
Nancy Gabrielle
Johno's Wife
Del Baker
Det. Sgt. Cowley
Peter Brayham
Edward Grenfell (uncredited)
Josie Grant
Woman in Pub (uncredited)
Joe Griffiths
Miriam's Pianist (uncredited)
Jim Brady
Man in Pub (uncredited)
Helen Keating
Busty Woman in Pub (uncredited)