Bruce Peter Weitz is an American actor, best known for his role as Sgt. Michael "Mick" Belker in the TV series Hill Street Blues, which ran from 1981 until 1987. For his role in the series, he received six nominations for Emmy Awards and two for Golden Globe Awards, winning the 1984 Emmy for Outstanding Supporting Actor in a Drama Series. He is also known for playing Stuart Caley, MSNBC boss, in Deep Impact.