Alan Holt is a radio expert who has invented a death ray machine for the U.S. government. International spy Drakma wants to get his hands on the invention and he sends his henchmen to attack Holt in his laboratory.

Genres

Cast

Agnes Ayres

Mary Walsworth

Antonio Moreno

Alan Holt

Tyrone Power Sr.

Drakma (as Tyrone Power)

Louis Wolheim

Kurder

Maurice Costello

The Cripple

Frank Currier

Adm. Walsworth

Ivan Linow

Lab assistant