Name	Known for
Billy Crystal Self - Host Self - Host See fewer	Forget Paris (1995)
Amy Sedaris Self - Narrator (voice) Self - Narrator (voice) See fewer	Elf (2003)
Joe Adamson Self - Film Historian Self - Film Historian See fewer	Star Trek IV: The Voyage Home (1986)
Judd Apatow Self Self See fewer	Girls (2012)
Lucille Ball Self (archive footage) Self (archive footage) See fewer	I Love Lucy (1951)
Kaye Ballard Self Self See fewer	Baby Geniuses (1999)
Richard Belzer Self Self See fewer	Law & Order: Special Victims Unit (1999)
Jim Carrey Various (archive footage) Various (archive footage) See fewer	Ace Ventura: Pet Detective (1994)
Stephen Cox Self - Film Historian Self - Film Historian See fewer	Cursed Films (2020)
Tommy Davidson Self Self See fewer	In Living Color (1990)
Joe Franklin Self Self See fewer	Ghostbusters (1984)
Bill Irwin Self - Actor Self - Actor See fewer	Rachel Getting Married (2008)
Hal Kanter Self Self See fewer	Julia (1968)
Buster Keaton Self (archive footage) Self (archive footage) See fewer	The General (1926)
Robert Klein Self Self See fewer	Two Weeks Notice (2002)
Bert Lahr Self (archive footage) Self (archive footage) See fewer	The Wizard of Oz (1939)
Jerry Lewis Self Self See fewer	The Nutty Professor (1963)
Leonard Maltin Self Self See fewer	Gremlins 2: The New Batch (1990)
Steve Martin Self Self See fewer	Roxanne (1987)
Bill Marx Self Self See fewer	Too Many Kisses (1925)
Michael McKean Self Self See fewer	This Is Spinal Tap (1984)
Conan O'Brien Self Self See fewer	The Lego Batman Movie (2017)
Joan Rivers Self - Comedienne Self - Comedienne See fewer	Spaceballs (1987)
Chris Rock Self - Comedian Self - Comedian See fewer	Top Five (2014)
Tom Smothers Self Self See fewer	The Smothers Brothers Comedy Hour (1967)
Robert J. Thompson Self - Cultural Historian (as Robert Thompson) Self - Cultural Historian (as Robert Thompson) See fewer	Up Front Tonight (1998)
Patricia Eliot Tobias Self - Film Historian Self - Film Historian See fewer	Movie Magic & Mysteries: The Making of Sherlock Jr. (2010)
Dick Van Dyke Self Self See fewer	Mary Poppins (1964)
Jeffrey Vance Self Self See fewer	Safety Last! (1923)
Larry Wilmore Self Self See fewer	The Bernie Mac Show (2001)
Jonathan Winters Self Self See fewer	It's a Mad Mad Mad Mad World (1963)
George Carlin Self (archive footage) (uncredited) Self (archive footage) (uncredited) See fewer	Bill & Ted's Excellent Adventure (1989)
Dick Smothers Self (uncredited) Self (uncredited) See fewer	Casino (1995)