Barry Livingston (born December 17, 1953) is an American television and film actor. Livingston is perhaps best known for his role as Ernie Douglas on the television series My Three Sons. He is the younger brother of actor/director Stanley Livingston.
Born in Los Angeles, Livingston began his career as a child actor in the 1960s. His first onscreen appearance was in a small, uncredited role in the 1961 film The Errand Boy, followed by a roles in The Adventures of Ozzie & Harriet and The Dick Van Dyke Show. In 1963, Livingston joined the cast of the sitcom My Three Sons as Ernie. His older brother Stanley was already a series regular. After Tim Considine left the series two years later, Livingston joined the cast permanently and remained with the series until its end in 1972.
After the series run of My Three Sons, Livingston landed roles in Room 222 and The Streets of San Francisco. Throughout the 1970s and 1980s, he continued to work steadily in both films and television including Police Woman, Sidewinder 1, Simon & Simon, and 1st & Ten.
In 2007, Livingston had a guest spots in the series Mad Men, and appeared in Zodiac.
In 1983, Livingston married Karen Huntsman. The couple have two children.
