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