Feature version of the 1949 serial, KING OF THE ROCKETMEN: Young member of scientific group uses new rocket-powered flying suit to thwart shadowy saboteur known only as "Dr. Vulcan".
Tris Coffin
as Prof. Jeff King
Mae Clarke
as Glenda Thomas
Don Haggerty
as Tony Dirken
House Peters Jr.
as Burt Winslow
James Craven
as Prof. Millard
I. Stanford Jolley
as Prof. Bryant
Ted Adams
as Martin Conway
Marshall Bradford
as Dr. Graffner
Stanley Price
as Gunther von Strum
Douglas Evans
as Civil Defense Chairman
Arvon Dale
as Chairman's Aide
Tom Steele
as Henchman
