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.

Cast:Agnes Ayres, Antonio Moreno, Tyrone Power Sr., Louis Wolheim, Dagmar Godowsky, Jack Lionel Bohn,

Genre:Action, Drama,

country:United States of America,

Production:Paramount Pictures,