Regan

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)