Nigel Patrick

Chief Insp. John Edward Johnnoe

Katherine Woodville

Mary Johnnoe

Colin Blakely

Charlie Ruskin

Derren Nesbitt

Bertie Hoyle

Harry Andrews

Supt. Alec Bestwick

Roy Kinnear

Shorty

Allan Cuthbertson

Smythe

Frank Finlay

Leon Sale

Michael Coles

Ben

Ronald Hines

Geoff Lewis

George Sewell

Fred Hill

Kenneth J. Warren

Lou Waites

Brian Wilde

Lipson

Peter Bowles

Peter The Pole (uncredited)

Donal Donnelly

Tommy The Trotter (uncredited)

Harry Landis

Hicks (uncredited)

Garfield Morgan

Police Inspector (uncredited)

Patrick Jordan

Police Inspector (uncredited)

Ray Smith

Police Sergeant (uncredited)

Martin Wyldeck

Police Officer (uncredited)

David Weston

Young Constable (uncredited)

Michael Segal

Customer at Club (uncredited)