Bulldog Drummond's Secret Police 1939

Synopsis:

Captain Drummond and his girlfriend want to marry but a hidden treasure in the house in which they want to celebrate their marriage is complicating the situation involving a series of deaths and an elusive murderer.

Directed by: James P. Hogan
Runtime: 56 minutes
Tagline: TRAPPED IN A CAGE WITH DEATH while a Madman cracks the whip!
Related titles:
Cast:
John Howard
John Howard
Captain Hugh 'Bulldog' Drummond 
Heather Angel
Heather Angel
Phyllis Clavering 
H.B. Warner
H.B. Warner
Colonel Nielson 
Reginald Denny
Reginald Denny
'Algy' Longworth 
E. E. Clive
E. E. Clive
Tenny 
Elizabeth Patterson
Elizabeth Patterson
Aunt Blanche