The Riders of the Whistling Skull

Chief Thundercloud as High Priest Max Terhune as Lullaby Joslin Mary Russell as Betty Marsh Fern Emmett as Henrietta McCoy C. Montague Shaw as Professor Flaxon Yakima Canutt as Otah Robert Livingston as Stony Brooke Ray Corrigan as Tucson Smith Roger Williams as Rutledge John Ward as Professor Brewster George Godfrey as Professor Fronc Frank Ellis as Coggins

Mack V. Wright Director Sol C. Siegel Associate Producer Bernard McConville Screenstory