John Ernest "Johnny" Crawford (born March 26, 1946) is an American actor and musician. He is the son of Robert Lawrence Crawford, Sr. and the younger brother of Robert L. Crawford, Jr. All three have been nominated for Emmy Awards. Crawford has been married to Charlotte Samco since 1995.
Crawford's first appearance in front of a national audience was as a mouseketeer in the 1950s. He first gained fame as Lucas McCain's son Mark in the late 50s / early 60s ABC series The Rifleman. He also made guest appearances on a variety of television shows such as Mr. Ed, Rawhide, Hawaii Five-0, Little House on the Prairie, and Murder, She Wrote. One of his more well-known non-MST3K movie roles was as Luke MacDonald on the film El Dorado.
- Village of the Giants (Experiment #523) - as Horsey
- The Space Children (Experiment #906) - as Ken Brewster