On 26th of June 1964, Smith got married to Cecilia Souza. Cecilia Souza is a lovely lady. As a loving husband and wife, they welcomed two children together. However, this married life was not meant forever as they got divorced in 1974.
Later on Smith spent a single life for several years. Then he was spotted with Joan Pirkle. Joan Pirkle is also an actress. They finally got married on 5th of November 1988. They are still bonded into this married life. His nationality is American and he is of white ethnicity.
Smith was raised in San Fernando Valley. As a child, he was enrolled at Canoga Park High School and he finally graduated there in 1961. Later on he joined San Jose State College and he finally earned his B.A. from there in 1965. He also attended Stanford University from where he earned his M.F.A. He dreamed to be an actor since his young age. He had been active as an actor since the late 1970s. In the late 1970s, he appeared in the plays like Billy Budd, Idiot's Delight, and Green Grow the Lilacs. For these roles, he won Drama-Logue Awards. He made his TV debut in 1980 by starring the role of Man in Laundromat in an American sitcom Soap. That year he appeared in the TV series like Me and Maxx and Lou Grant. He made his feature film debut in 1981 by portraying the role of Sergeant Smith in the movie Zoot Suit. In the early 1980s, he appeared in the movies and TV shows like Going Berserk, Blue Thunder, Staying Alive, Renegades, The A-Team and so on. He got his rise in fame in the mid 1980s after he starred the role of Clarence Boddicker in an American cyberpunk action film RoboCop. He is also critically acclaimed for portraying the role of Red Forman in an American television period sitcom That '70s Show. His net worth is $10 Million.