In 1998, Keith got married to Rachel Griffin. Rachel Griffin is an actress and producer. She is popular for starring her role in the movie A Midnight Clear. It's almost been three decades since they have been married but they are still childless. He is happy to be his loving spouse and there is no sign of them getting divorced. Besides this married life there is no information about his love affairs and his girlfriend.
When Keith was twelve years old, he watched the Broadway Of Mice and Men. After watching the act of an actor James Earl Jones in this play, he became interested in acting and dreamed to be an actor in the future. He finally accomplished the dreams of acting by starring the role of Herbie in the TV series Medical Center. Three years later he portrayed the role of Doug Fetterman in the movie Jaws 2. His breakthrough role as an actor came in 1985 after he starred in the role of Ernie Blick in the movie Static. He began his directorial career in 1988 by directing the movie The Chocolate War and for this work, he got his first nomination in Chicago International Film Festival. He has been earning a lucrative amount of salary annually and his net worth is $3 million.