Small-time jewel thief Leo Martin is deserted by his partners-in-crime, club owner Gus Loman and driver Hatchett, when the robbery they are committing goes wrong. After serving his prison sentence, Leo emerges with an intricate plan for revenge. Leo implicates Loman, as well as his amoral boss, Gregory Lang, for murder -- but Inspector Rogers suspects Leo.
William Hartnell
as Leo Martin
Raymond Lovell
as Gus Loman
Robert Beatty
as Det. Insp. Rogers
Herbert Lom
as Gregory Lang
Joyce Howard
as Carol Dane
Alan Wheatley
as Noel Penn
Cyril Smith
as Det. Sgt. Charlie Weeks
Elsie Wagstaff
as Mrs. Wilkins
Ian Fleming
as Prison governor
Wally Patch
as Joe Fisher
Ian McLean
as Det. Mason
Harry Lane
as Big Mike
