George Selk (May 15, 1893 – January 22, 1967) was an American film and television actor. He was known for playing the role of stableman Moss Grimmick in the American western television series Gunsmoke from 1955 to 1963. Selk portrayed Geppetto in Pinocchio's Christmas in La Canada, California. His other work on stage included acting in a production of Rope in Montrose, California.