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
Margaret Whiting
— Maisie Barton
John Cowley
— Jim Ruskin
Allan Cuthbertson
— Smythe
Frank Finlay
— Leon Sale
Michael Coles
— Ben
Ronald Hines
— Geoff Lewis
Peter Prowse
— Mick Lonergan
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)
Bernard Goldman
— Hymie (uncredited)
Fred Haggerty
— Hoyle's Henchman (uncredited)
Peter Brace
— Ruskin's Henchman (uncredited)
George Hilsdon
— Ruskin's Henchman (uncredited)
Faye Craig
— Black Woman (uncredited)
Geoffrey Dunn
— Man with Camera (uncredited)
Garfield Morgan
— Police Inspector (uncredited)
Geoffrey Denton
— Police Inspector (uncredited)
Patrick Jordan
— Police Inspector (uncredited)
Ray Smith
— Police Sergeant (uncredited)
Donald Tandy
— Police Sergeant (uncredited)