Richard Jay Belzer (August 4, 1944 – February 19, 2023) was an American actor, comedian and author. He was best known for his role as BPD Detective, NYPD Detective/sergeant and investigator John Munch, whom he portrayed for 23 years in the NBC police drama series Homicide: Life on the Street, Law & Order: Special Victims Unit and several guest appearances on other series.

Early life and education
Belzer was born in Bridgeport, Connecticut, on August 4, 1944, to a Jewish family. He described his mother as frequently physically abusive, and he declared that his comedy career began when trying to make her laugh to distract her from abusing him and his brother. After graduating from Fairfield Warde High School, Belzer worked as a reporter for the Bridgeport Post.

Belzer attended Dean College, which was then known as Dean Junior College, in Franklin, Massachusetts, but was expelled.