"When the detective in charge of investigating a series of bank robberies starts to get too close to the culprits, they set up a blackmail scheme to warn him off. But when the crooks begin to fall out with each other, the police learn the truth."
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
Faye Craig
as Black Woman (uncredited)
Geoffrey Dunn
as Man with Camera (uncredited)
Garfield Morgan
as Police Inspector (uncredited)
Geoffrey Denton
Patrick Jordan
Ray Smith
as Police Sergeant (uncredited)
Donald Tandy
Martin Wyldeck
as Police Officer (uncredited)
Joe Beckett
William Baskiville
Arthur Howell
Alan Meacham
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)
Ken Annakin
Director
Paul Durst
Writer
Alun Falconer
Douglas Warner
Novel
William MacQuitty
Producer
Clifton Parker
Music
Reginald H. Wyer
Director of Photography
Alfred Roome
Editor
Alex Vetchinsky
Art Direction
Yvonne Caffin
Costume Design
Dudley Lovell
Camera Operator
Don Sharpe
Sound Editor
Iris Tilley
Hairstylist
Geoffrey Rodway
Makeup Artist
Terry Knight
Draughtsman
Wally Fairweather
Focus Puller
Dudley Messenger
Sound Recordist
C. Le Mesurier