
Nigel Patrick
Chief Insp. John Edward Johnnoe
Acting

Katherine Woodville
Mary Johnnoe
Acting

Colin Blakely
Charlie Ruskin
Acting

Derren Nesbitt
Bertie Hoyle
Acting

Harry Andrews
Supt. Alec Bestwick
Acting
![Margaret Whiting]()
Margaret Whiting
Maisie Barton
Acting
![John Cowley]()
John Cowley
Jim Ruskin
Acting

Allan Cuthbertson
Smythe
Acting

Frank Finlay
Leon Sale
Acting

Ronald Hines
Geoff Lewis
Acting
![Peter Prowse]()
Peter Prowse
Mick Lonergan
Acting

George Sewell
Fred Hill
Acting

Kenneth J. Warren
Lou Waites
Acting

Peter Bowles
Peter The Pole (uncredited)
Acting

Donal Donnelly
Tommy The Trotter (uncredited)
Acting

Harry Landis
Hicks (uncredited)
Acting
![Bernard Goldman]()
Bernard Goldman
Hymie (uncredited)
Acting
![Fred Haggerty]()
Fred Haggerty
Hoyle's Henchman (uncredited)
Acting
![Peter Brace]()
Peter Brace
Ruskin's Henchman (uncredited)
Acting
![George Hilsdon]()
George Hilsdon
Ruskin's Henchman (uncredited)
Acting
![Faye Craig]()
Faye Craig
Black Woman (uncredited)
Acting
![Geoffrey Dunn]()
Geoffrey Dunn
Man with Camera (uncredited)
Acting

Garfield Morgan
Police Inspector (uncredited)
Acting
![Geoffrey Denton]()
Geoffrey Denton
Police Inspector (uncredited)
Acting

Patrick Jordan
Police Inspector (uncredited)
Acting

Ray Smith
Police Sergeant (uncredited)
Acting
![Donald Tandy]()
Donald Tandy
Police Sergeant (uncredited)
Acting

Martin Wyldeck
Police Officer (uncredited)
Acting
![Joe Beckett]()
Joe Beckett
Police Officer (uncredited)
Acting
![William Baskiville]()
William Baskiville
Police Officer (uncredited)
Acting
![Arthur Howell]()
Arthur Howell
Police Officer (uncredited)
Acting
![Alan Meacham]()
Alan Meacham
Police Officer (uncredited)
Acting
![Colin McKenzie]()
Colin McKenzie
Detective (uncredited)
Acting
![Joe Wadham]()
Joe Wadham
Police Driver (uncredited)
Acting

David Weston
Young Constable (uncredited)
Acting

Michael Segal
Customer at Club (uncredited)
Acting
![Roy Godfrey]()
Roy Godfrey
Barman (uncredited)
Acting
![Peter Evans]()
Peter Evans
Pub customer (uncredited)
Acting