
Plot
A prospector is murdered by The Cactus Kid and his gang, who hope to find the murdered man's goldmine. The miner's dog, Rin-Tin-Tin, recognizes the killers, who thereafter seek to use the dog to locate the lost mine. With the help of a government agent and a young girl, Rinty saves the mine and brings the bad guys to justice.
Trailer
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Cast

Rin-Tin-Tin
Rinty

Walter Miller
Ramon

June Marlowe
Dolores Valdez

Josef Swickard
Juan Valdez

Buzz Barton
Buzz

Lee Shumway
Amos Harkey

Julia Bejarano
Maria, the DueƱa

Lafe McKee
Sheriff Billings

Arthur Morrison
Limpy

Frank Lanning
Burke

Bob Kortman
Jenkins

Victor Metzetti
Red

Otto Metzetti
Red's Partner