A 14-episode serial in which Mala, a Polynesian in the employ of U.S. Intelligence investigates sabotage on Clipper Island. A gang of spies causes the eruption of a volcano, for which our hero is blamed. He convinces the local Princess Melani of his innocence and helps her ward off a takeover by rival high priest Porotu.
Rex
Rex, the Wonder HorseGeorge Cleveland
Goebel, Gang ScientistBob Kortman
Gang Yacht Capt. WilsonGeorge Chesebro
Draker, Island Operations ChiefSelmer Jackson
Mr. CanfieldWilliam Newell
Hank McGlaurieLloyd Whitlock
Lamar, Headquarters Gang Member [Chs. 1-6]Herbert Rawlinson
Grant Jackson