"Science fiction serial."
Herbert Rawlinson
as Craig Kennedy
Marguerite Marsh
as Anita Carter
Ethel Grey Terry
as Cleo Clark
William Pike
as Walter Jameson
Kempton Greene
as Rance Dixon
Coit Albertson
as Lester Mason
Joe Smith Marba
as Hugh Geist / Avion (as Joseph Marba)
Donald Hall
as Shelby Carter (as Don Hall)
Gene Baker
as Alma, Anita's maid
Dexter McReynolds
as Storpz (as D.W. McReynolds)
Leslie Stowe
as Darkie Joe
Franklyn Hanna
as Colonel Culpepper
Frank Wunderlee
as Bull Rudkin
John Reinhardt
as Count von der Witz
Adrienne Richards
as Julie
William F. Haddock
Director
Donald MacKenzie
