I also liked Williams in the HMM Mystery Woman series where he helped Kelley Martin with her investigations. The Mod Squad stars got shafted by the entertainment industry stars and were blacklisted for years
Williams was 81.
Williams was born in New York City on August 21, 1939, according to the statement.
He began his career in a production of "Dark of the Moon," and appeared on Broadway in "The Great Outdoors."
His performance in "Slow Dance on the Killing Ground" won him a Theatre World Award and a Tony nomination, the statement said.
Along with his theatre performances, Williams also starred in several shows and movies, including: "52 Pick-Up," "Against the Wall," "Reindeer Games," "Purple Rain," "The General's Daughter," "American Gangster," "Half Baked" and "Lee Daniels' The Butler."