Dennis Holmes (born October 3, 1950, in Encino, California) is a former child actor whose longest-running role was from 1961 to 1963 as the orphaned Mike Williams in more than fifty episodes of the NBC western television series Laramie, starring with John Smith, Robert Fuller, Spring Byington, and Stuart Randall.On September 23, 1961, Holmes joined the Laramie cast in the episode "Dragon at the Door," which focuses on Japanese entertainers headed east.