The Riders of the Whistling Skull is currently streaming on Tubi

The Riders of the Whistling Skull (1937)52 minDrama, WesternRating 47/100

During an archeological expedition for the lost indigenous city of Lukachukai, the Three Mesquiteers venture into a land of mysterious death cults.

Cast: Robert Livingston, Ray Corrigan, Max Terhune, Mary Russell, Roger Williams, Fern Emmett, C. Montague Shaw

Director: Mack V. Wright