Riders of the Whistling Skull 1937

Synopsis:

When Professor Marsh disappears while searching for the lost city of Lukachukai, his daughter enlists the help of the Three Mesquiteers.

Directed by: Mack V. Wright
Written by: Oliver Drake & John Rathmell
Runtime: 53 minutes
Tagline: Your favorite trio of trouble-shooters bring new thrills to the old West!
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Cast:
Robert Livingston
Robert Livingston
Stony Brooke 
Ray Corrigan
Ray Corrigan
Tucson Smith 
Max Terhune
Max Terhune
Lullaby Joslin 
Mary Russell
Mary Russell
Betty Marsh 
Roger Williams
Roger Williams
Rutledge 
Fern Emmett
Fern Emmett
Henrietta McCoy