"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."
John Howard
as Captain Hugh 'Bulldog' Drummond
Heather Angel
as Phyllis Clavering
H.B. Warner
as Colonel Nielson
Reginald Denny
as 'Algy' Longworth
E. E. Clive
as Tenny
Elizabeth Patterson
as Aunt Blanche
Leo G. Carroll
as Henry Seaton
Forrester Harvey
as Professor Downie
Clyde Cook
as Constable Hawkins
David Clyde
as Constable Jenkins
Gerald Rogers
as Police Sergeant Peters
J. Carrol Naish
as Richard Lane (Archive Footage)
Neil Fitzgerald
as Rockingham Stationmaster
Elspeth Dudgeon
as Mrs. Thomas, Housekeeper
Wyndham Standing
as Wedding Master of Ceremonies
Jimmy Aubrey
as Passage Workman
David Thursby
Oscar 'Dutch' Hendrian
as Moving Man
Dick Rush
Harry Wilson
Louise Campbell
as Woman in Drummond's Dream
Porter Hall
as Man in Drummond's Dream
James P. Hogan
Director
George Dutton
Sound Recordist
Garnett Weston
Screenplay
Merritt B. Gerstad
Director of Photography
Mel Epstein
Assistant Director
Herman C. McNeile
Novel
Arthur P. Schmidt
Editor
Boris Morros
Music Director
William LeBaron
Executive Producer
Glenn Rominger
Edward T. Lowe Jr.
Associate Producer
A. Earl Hedrick
Art Direction
A. E. Freudeman
Set Decoration
Stuart Walker
Producer
Hans Dreier
Russell Mathews