When Scotland Yard finds themselves up against a brick wall in tracking down a vicious gang of thieves and bank robbers, they call in Layton, a loner from MI5 to work his way into the gang and help bring them down.
William Sylvester
as Layton / Steve Ross
Mai Zetterling
as Ruth Lombard
John Meillon
as Johnny Hemick
Anthony Dawson
as James Dawson
Neil McCarthy
as Leo Farrell
Joseph Fürst
as Paul Varna
Harry Baird
as Gill Hall
John Phillips
as Chief Superintendent Gault
Victor Brooks
as Inspector Adams
Diana King
as Maggie Dawson
Gerard Heinz
as Jake
Nan Munro
as Sarah Bennett
