The ranger Jack Dunne and his dog Dynamite are called in to investigate a series of cattle rustlings.
Dynamite the Dog
Dynamite
Edmund Cobb
Jack Dunne
Marjorie Bonner
Katy Pearl Lee
Pearl Sindelar
Mary Doolittle
Francis Ford
Brom Hockley
Patrick Rooney
Bull Becker (as Pat Rooney)
Frank Clark
Handsome Thomas (as Frank M. Clark)
Carl Sepulveda
Jake
Lee Lin
Cook
