Action and excitement beckon as popular sleuth Mick Cardby goes on the trail of a missing girl, and finds himself in the clutches of a gang of blackmailers.
James Mason
as Mick Cardby
Mary Clare
as Matron
Margaret Vyner
as Mollie Bennett
Gordon McLeod
as Insepctor Cardby
Frederick Valk
as Dr. Moger
Barbara Everest
as Mrs. Cardby
Barbara James
as Lena Morne
G.H. Mulcaster
as Lord Morne
Eric Clavering
as Al
Terry Conlin
as Detective Sergeant Trotter
W.G. Fay
as Mr. Eslick
Brefni O'Rorke
as Dr. Crosbie
