Chief Insp. John Edward Johnnoe

Nigel Patrick

Maisie Barton

Margaret Whiting

Mary Johnnoe

Katherine Woodville

Charlie Ruskin

Colin Blakely

Supt. Alec Bestwick

Harry Andrews

Bertie Hoyle

Derren Nesbitt

Ben

Michael Coles

Jim Ruskin

John Cowley

Shorty

Roy Kinnear

Leon Sale

Frank Finlay

Smythe

Allan Cuthbertson

Geoff Lewis

Ronald Hines

Lonergan

Peter Prowse

Fred Hill

George Sewell

Lou Waites

Kenneth J. Warren

Lipson

Brian Wilde

Peter The Pole (uncredited)

Peter Bowles

Tommy The Trotter (uncredited)

Donal Donnelly

Hicks (uncredited)

Harry Landis

Hymie (uncredited)

Bernard Goldman

Hoyle's Henchman (uncredited)

Fred Haggerty

Ruskin's Henchman (uncredited)

Peter Brace

Ruskin's Henchman (uncredited)

George Hilsdon

Black Woman (uncredited)

Faye Craig

Man with Camera (uncredited)

Geoffrey Dunn

Police Inspector (uncredited)

Garfield Morgan

Police Inspector (uncredited)

Geoffrey Denton

Police Inspector (uncredited)

Patrick Jordan

Police Sergeant (uncredited)

Ray Smith

Police Sergeant (uncredited)

Donald Tandy

Police Officer (uncredited)

Martin Wyldeck

Police Officer (uncredited)

Arthur Howell

Police Officer (uncredited)

Alan Meacham

Detective (uncredited)

Colin McKenzie

Police Driver (uncredited)

Joe Wadham

Young Constable (uncredited)

David Weston

Customer at Club (uncredited)

Michael Segal

Barman (uncredited)

Roy Godfrey