Bulldog Drummond's Peril

Colonel Neilson

Captain Hugh 'Bulldog' Drummond

Phyllis Clavering

Algy Longworth

Tenny

Dr. Botulian

Aunt Blanche

Gwen Longworth

Prof. Bernard Goodman

Sir Raymond Blantyre

Mrs. Weevens

Constable McThane

Constable Sacker

Roberts

Anthony Greer

Paulette

Raoul

Mechanic

Constable Announcer

Villager

Botulian's Driver

Bus Garage Man

Footman

Hoffman