Nigel Patrick
Role: Chief Insp. John Edward Johnnoe
Katherine Woodville
Role: Mary Johnnoe
Colin Blakely
Role: Charlie Ruskin
Derren Nesbitt
Role: Bertie Hoyle
Harry Andrews
Role: Supt. Alec Bestwick
Margaret Whiting
Role: Maisie Barton
John Cowley
Role: Jim Ruskin
Allan Cuthbertson
Role: Smythe
Frank Finlay
Role: Leon Sale
Ronald Hines
Role: Geoff Lewis
Peter Prowse
Role: Mick Lonergan
George Sewell
Role: Fred Hill
Kenneth J. Warren
Role: Lou Waites
Peter Bowles
Role: Peter The Pole (uncredited)
Donal Donnelly
Role: Tommy The Trotter (uncredited)
Harry Landis
Role: Hicks (uncredited)
Bernard Goldman
Role: Hymie (uncredited)
Fred Haggerty
Role: Hoyle's Henchman (uncredited)
Peter Brace
Role: Ruskin's Henchman (uncredited)
George Hilsdon
Role: Ruskin's Henchman (uncredited)
Faye Craig
Role: Black Woman (uncredited)
Geoffrey Dunn
Role: Man with Camera (uncredited)
Garfield Morgan
Role: Police Inspector (uncredited)
Geoffrey Denton
Role: Police Inspector (uncredited)
Patrick Jordan
Role: Police Inspector (uncredited)
Ray Smith
Role: Police Sergeant (uncredited)
Donald Tandy
Role: Police Sergeant (uncredited)
Martin Wyldeck
Role: Police Officer (uncredited)
William Baskiville
Role: Police Officer (uncredited)
Arthur Howell
Role: Police Officer (uncredited)
Alan Meacham
Role: Police Officer (uncredited)
Colin McKenzie
Role: Detective (uncredited)
Joe Wadham
Role: Police Driver (uncredited)
David Weston
Role: Young Constable (uncredited)
Michael Segal
Role: Customer at Club (uncredited)
Roy Godfrey
Role: Barman (uncredited)
Peter Evans
Role: Pub customer (uncredited)