
The invention of a machine that can cause remote explosions brings the attention of Scotland Yard and Bulldog Drummond.

as Captain Hugh C. Drummond

as Phyllis Clavering

as Colonel Nielsen

as Algy Longworth

as Tenny

as Lady Beryl Ledyard

as Aunt Meg

as Rolf Alferson

as Richard Gannett

as Smith

as Constable Sacker

as Constable McThane

as Soongh

as Sir Malcolm McLeonard

as Sir Basil Leghorne

as Old Major Trumleigh

as Inspector Tredennis

as Gumba, Bird Seller

as Guggins, Scrawny Henchman

as Steward

as Cop

as Aquarium Guard

as Constable at Gannett House

as Hotel Page Boy

as Maid

as Native Boy with Message

as Native Selling Rifle

as Native Buying Rifle

as Tourist

as Tourist

as Tourist

as Island Police Desk Sergeant

as Island Police Arresting Sergeant

as Foreign Agent

as Foreign Agent