The Girl from Scotland Yard

A female agent tacks down the cause of mysterious explosions.

Karen Morley

Robert Baldwin

Eduardo Ciannelli

Katharine Alexander

(Helen Lavering)

Claude King

Agnes Anderson

Milly

Jon Hall

Ted Adams

(Montritz Hotel Valet)

Leonid Kinskey

Dennis O'Keefe

Odette Myrtil

Don Brodie

Gino Corrado

(Violinist / Translator)

Fred Farrell

Alphonse Martell

Philip Sleeman