A detective proves that a Robin Hood-type crook did not steal a metal formula.
John Bentley
as Richard Rollison
Patricia Dainton
as Susan Lancaster
Valentine Dyall
as Inspector Grice
John Robinson
as Linnett
Lockwood West
as Kennedy
Katharine Blake
as Janet Lord
Roddy Hughes
as Jolly
Wally Patch
as Bert Ebbutt
Basil Dignam
as Superintendent
Ian Fleming
as Dr. Lancaster
Monti DeLyle
as The Spaniard
Charles Hawtrey
as Cashier
