Details
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 & Crew
- Agnes Ayres , Antonio Moreno , Tyrone Power Sr. , Louis Wolheim , Dagmar Godowsky , Jack Lionel Bohn , Maurice Costello , Frank Currier
- Irvin Willat