“TRAPPED! What is the invisible death that strikes from afar? What is the mystery of the flickering light? Who is the woman that witnesses a killing and vanishes? It's Drummond's greatest case...and your biggest thrill!”
The invention of a machine that can cause remote explosions brings the attention of Scotland Yard and Bulldog Drummond.
Director: James P. Hogan
John Howard
Captain Hugh C. Drummond
Heather Angel
Phyllis Clavering
H.B. Warner
Colonel Nielsen
Reginald Denny
Algy Longworth
E. E. Clive
Tenny
Jean Fenwick
Lady Beryl Ledyard
Zeffie Tilbury
Aunt Meg
George Zucco
Rolf Alferson