A crazed scientist calling himself The Voice from the Sky broadcasts his voice all across the globe, and threatens to suspend all energy in the earth's atmosphere and turn day into night unless the world immediately destroys all arms and vehicles of warfare. U. S. Secret Service agent Jack Deering is sent to Arizona to investigate
Hal Taliaferro
Jack Deering
Neva Gerber
Jean Lowell
Bob Walker
Edgar Ballin
J.P. Lockney
Geoffrey Mentor
Al Haskell
Henchman 'Patch-Eye'
Cliff Lyons
Henchman 'Humpy'
John C. McCallum
The Man from Nowhere
Merle Farris
Mrs. Deering (Jack's mother)
