William Boyett (3 January 1927 – 29 December 2004; age 77) was an actor who played Lieutenant Dan Bell in the Star Trek: The Next Generation first season episode "The Big Goodbye" and a policeman in the sixth season episode "Time's Arrow, Part II". Boyett is probably best remembered for his role as Sgt. William "Mac" MacDonald on the police drama Adam-12 from 1968 to 1975. He also played in Emergency! with Kevin Tighe, John Anderson, and Vince Howard. Boyett starred in Forbidden Planet with Warr