. . "1974-09-16"^^ . "Mark Overholt played Ron Cole in the season twelve Grey's Anatomy episode Trigger Happy."@en . "Mark D. Overholt"@en . . . "Mark Overholt"@en . "GA: 12"@en . . "Mark Overholt played Ron Cole in the season twelve Grey's Anatomy episode Trigger Happy."@en . . "Medina, Ohio"@en . .