Worked as the original warm-up comedian for Saturday Night Live in 1975, and appeared in several early episodes.
Appears briefly in the 1980 film Fame.
Had roles in two Spike Lee movies, Get on the Bus and Girl 6.
An avid conspiracy theorist, authored 1999's UFOs, JFK and Elvis: Conspiracies You Don't Have to Be Crazy to Believe.
His best-known character, Det. John Munch, has made an appearance on more than six different series, including Homicide: Life on the Street, three Law & Order franchises, The X-Files and UPN's short-lived The Beat.
Resides in France when not working in the U.S.
Len Belzer — Brother
Frances Belzer — Mother
Charles Belzer — Father
Gail Susan Ross — Ex-wife
Dalia Danoch — Ex-wife
Harlee McBride — Wife
Bree Benton — Stepdaughter
Attended Dean Junior College, Franklin, Massachusetts, United States