Nigel Patrick as Chief Insp. John Edward Johnnoe

Katherine Woodville as Mary Johnnoe

Colin Blakely as Charlie Ruskin

Derren Nesbitt as Bertie Hoyle

Harry Andrews as Supt. Alec Bestwick

Roy Kinnear as Shorty

Margaret Whiting as Maisie Barton

John Cowley as Jim Ruskin

Allan Cuthbertson as Smythe

Frank Finlay as Leon Sale

Michael Coles as Ben

Ronald Hines as Geoff Lewis

Peter Prowse as Mick Lonergan

George Sewell as Fred Hill

Kenneth J. Warren as Lou Waites

Brian Wilde as Lipson

Peter Bowles as Peter The Pole (uncredited)

Donal Donnelly as Tommy The Trotter (uncredited)

Harry Landis as Hicks (uncredited)

Bernard Goldman as Hymie (uncredited)

Fred Haggerty as Hoyle's Henchman (uncredited)

Peter Brace as Ruskin's Henchman (uncredited)

George Hilsdon as Ruskin's Henchman (uncredited)

Faye Craig as Black Woman (uncredited)

Geoffrey Dunn as Man with Camera (uncredited)

Garfield Morgan as Police Inspector (uncredited)

Geoffrey Denton as Police Inspector (uncredited)

Patrick Jordan as Police Inspector (uncredited)

Ray Smith as Police Sergeant (uncredited)

Donald Tandy as Police Sergeant (uncredited)

Martin Wyldeck as Police Officer (uncredited)

William Baskiville as Police Officer (uncredited)

Arthur Howell as Police Officer (uncredited)

Alan Meacham as Police Officer (uncredited)

Colin McKenzie as Detective (uncredited)

Joe Wadham as Police Driver (uncredited)

David Weston as Young Constable (uncredited)

Michael Segal as Customer at Club (uncredited)

Roy Godfrey as Barman (uncredited)

Peter Evans as Pub customer (uncredited)