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In page George Keymas:

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Keymas began his Hollywood career in 1950, mainly in Westerns. His first screen appearance was in an uncredited role in the 1950 B-feature film, I Shot Billy the Kid, with lead Don "Red" Barry. Keymas was cast in ethnic, often Native American characters, or cow-punching, at times ruthless, cowboys, in countless film and TV Westerns.[citation needed] He appeared on "Have Gun Will Travel" S2 E19 "The Monster" as Regaldo, which first aired on 1/14/1960.