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John Wayne

Who played JD Cahill's son's in the Cahill US Marshall the John Wayne movie?

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Wiki User
October 19, 2010 2:08AM

This is one of my favorite John Wayne movies and the name of the young actors that played JD Cahill's sons were Gary Grimes and Clay O'Brien. I thought they both did a great job. When sharing the screen with someone with the 'presence' that Wayne had could diminish lessor actors but the boys didn't lose an inch.