A female agent tracks down the cause of mysterious explosions.
Karen Morley
Linda Beech
Robert Baldwin
Derrick Holt
Eduardo Ciannelli
Franz Jorg
Katharine Alexander
Helen Lavering
Claude King
Eric Ledyard
Agnes Anderson
Mary Smith
Milly
Milli Monti
Jon Hall
Bertie
Ted Adams
Montritz Hotel Valet
Leonid Kinskey
Mischa
