Criminals steal a death ray that concentrates the rays of the sun. The inventor's daughter and a government agent try to retrieve it. 18 episode adventure serial.
Elmo Lincoln
as Elmo Gray / Jim Gray
Louise Lorraine
as Helen Wade
Monte Montague
as Batt Hogan
Lee Kohlmar
as Professor Robert Wade
George B. Williams
as Stanley W. Barrows
Jenks Harris
as Con Dawson
Roy Watson
as Rodney Stanton
Fred Hamer
as Briggs
Fay Holderness
as Stella Dean
Bob Reeves
as
