(1980) Fame

as M.C.

(1988) Jackie Gleason: The Great One

as Self (uncredited)

(1988) The Wrong Guys

as Belz

(2000) Homicide: The Movie

as John Munch

(1982) Café Flesh

as Audience Member (uncredited)

(2008) The Masterpiece That Almost Wasn't

as Self

(1994) The Puppet Masters

as Neil Jarvis

(1974) The Groove Tube

as Rodriguez / Leo Batfish / The President / The Hooker

(1983) Belzer Behind Bars

as Self

(1989) Fletch Lives

as Phil

(1999) Jump

as Jerry

(1994) Bandit: Bandit, Bandit

as Big Bob Bentley

(1986) The Tommy Chong Roast

as Himself

(2009) Surviving the Holidays with Lewis Black

as Self

(1999) Yesterday's Tomorrows

as Self

(1998) Sesame Street: Elmopalooza!

as Self

(2010) Polish Bar

as Hershel

(2011) Method to the Madness of Jerry Lewis

as Self

(2009) My Dog: An Unconditional Love Story

as Self

(1991) Off and Running

as Milt Zoloth

(1995) Not of This Earth

as Jeremy Pallin

(1988) Freeway

as Dr. David Lazarus

(2013) Santorini Blue

as Richard

(1990) The Flash

as Joe Kline

(1993) Dangerous Game

as Cameo Appearance

(1993) Dangerous Game

as Cameo appearance

(2012) Bright Day

as Self

(2013) The Improv: 50 Years Behind the Brick Wall

as Self

(1998) The Bar Channel

as Seth

(1996) Get on the Bus

as Rick

(1993) Mad Dog and Glory

as M.C. / Comic

(1992) Missing Pieces

as Baldesari

(2016) The Comedian

as Himself

(1990) The Bonfire of the Vanities

as Television Producer

(1982) The Facts

as ---

(1999) Man on the Moon

as Richard Belzer

(1982) Night Shift

as Pig

(2011) The 'Scarface' Phenomenon

as Self

(1983) Scarface

as M.C. at Babylon Club

(1989) The Big Picture

as Video Show Host

(1994) North

as Barker

(1994) Hart to Hart: Crimes of the Hart

as Frank Giordano

(1983) Flicks

as Stoner

(2003) The Very Best of America's Funniest Comedians

as Self (archive footage)

(2015) Drunk Stoned Brilliant Dead: The Story of the National Lampoon

as Self - Actor / Producer

(1992) The Flash III: Deadly Nightshade

as Joe Kline

(1988) Negligee and Underpants Party

as Self

(1998) Species II

as U. S. President

(1987) Funny, You Don't Look 200: A Constitutional Vaudeville

as Self

(1986) The Young Comedians All-Star Reunion

as ---

(2014) Eat Drink Laugh: The Story of The Comic Strip

as Self

(2017) Gilbert

as Self

(1997) When Cars Attack

as Himself - Host

(2012) Cooking with Christopher Walken

as Himself

(1986) America

as Gypsy Beam

(2017) Where Have You Gone, Lou DiMaggio?

as Self

(1996) Deadly Pursuits

as Mariano

(1996) Girl 6

as Caller #4 - Beach

(2002) The N.Y. Friars Club Roast of Chevy Chase

as Self - Roaster

(1995) Prince for a Day

as Bernie Silver

(2018) Alive in France

as Himself

(1996) A Very Brady Sequel

as LAPD Detective

(1981) Likely Stories Vol. 1

as ---

(2001) Laughing Out Loud: America's Funniest Comedians

as Self (archive footage)

(2009) George Carlin : The Kennedy Center Mark Twain Prize

as Self

(1998) Totally Bill Hicks

as Self

(1982) Author! Author!

as Seth Shapiro

(1992) The Please Watch the Jon Lovitz Special, Live!

as Self

(1986) Charlie Barnett's Terms of Enrollment

as ---

(2016) The Best Democracy Money Can Buy

as Self

(1969) Sesame Street

as ---

(1992) Mad About You

as Detective Sharp

(1990) The Flash

as Joe Kline

(2002) The Wire

as John Munch

(1996) The Daily Show

as Self

(1984) Miami Vice

as Captain Hook

(2000) The Beat

as John Munch

(1997) South Park

as Loogie (voice)

(1985) Moonlighting

as Leonard

(1997) The View

as Self

(1996) E! True Hollywood Story

as ---

(1992) The Tonight Show with Jay Leno

as ---

(1999) Law & Order: Special Victims Unit

as John Munch

(2012) Inside Comedy

as Self

(1993) The X-Files

as John Munch

(1993) Lois & Clark: The New Adventures of Superman

as Inspector Henderson

(2006) 30 Rock

as Sergeant John Munch

(2003) Arrested Development

as Detective Munch

(2005) Law & Order: Trial by Jury

as John Munch

(2003) The Belzer Connection

as ---

(1992) Human Target

as ---

(1975) Saturday Night Live

as Self

(1998) Hollywood Squares

as Self - Panelist

(1990) Law & Order

as John Munch

(1993) Homicide: Life on the Street

as John Munch

(2010) The Green Room with Paul Provenza

as Self

(1990) The Howard Stern Show

as Self

(2006) 30 Rock

as Richard Belzer

(1961) The Mike Douglas Show

as Self

(1962) The Tonight Show Starring Johnny Carson

as Self

(1993) Late Night with Conan O'Brien

as Self - Guest

(1996) 3rd Rock from the Sun

as Richard Belzer

(1995) The Invaders

as Randy Stein

(2003) Real Time with Bill Maher

as Self

(1991) Good Sports

as ---