Don Pardo
Himself - Announcer / ... (629 episodes, 1975-2009
G.E. Smith
Himself - Bandleader / ... (194 episodes, 1979-200
Tom Davis
Various / ... (156 episodes, 1975-1999)
Tina Fey
Various / ... (135 episodes, 1998-2009)
Jan Hooks
Various / ... (102 episodes, 1986-1994)
Nora Dunn
Various / ... (90 episodes, 1985-1990)
Paula Pell
Audience Member / ... (59 episodes, 1995-2009)
Neil Levy
Various / ... (46 episodes, 1975-1982)
Brad Hall
Various / ... (40 episodes, 1982-2006)
Don Novello
Father Guido Sarducci / ... (40 episodes, 1978-199
Jay Mohr
Various (39 episodes, 1993-1995)
Joe Dicso
Himself / ... (39 episodes, 1975-1996)
Fred Wolf
Various / ... (30 episodes, 1992-1996)
Bill Chott
Announcer / ... (20 episodes, 1996-2007)
Rich Hall
Various / ... (18 episodes, 1984-1985)
Mel Brandt
Himself - Announcer (17 episodes, 1981-1982)
John Lutz
Audience Member / ... (17 episodes, 2004-2009)
Buck Henry
Himself - Host / ... (16 episodes, 1976-1980)
Paul Simon
Himself - Musical Guest / ... (14 episodes, 1975-2
Max Pross
Soldier / ... (14 episodes, 1979-1980)
Frank Oz
The Mighty Favog / ... (12 episodes, 1975-1976)
Richard Hunt
King Ploobis's right hand / ... (12 episodes, 1975
Adam McKay
Audience Member / ... (11 episodes, 1995-2001)
Eric Slovin
Blind Pencil Thief / ... (11 episodes, 2003-2005)
Tom Hanks
Himself - Host / ... (10 episodes, 1985-2009)
Jim Morris
The X-Presidents / ... (10 episodes, 1997-2007)
Eric Idle
Himself - Host / ... (7 episodes, 1976-1986)
Teller
Himself (7 episodes, 1985-1986)
Ben Stiller
Himself - Various / ... (7 episodes, 1987-2000)
Beck
Himself - Musical Guest (6 episodes, 1997-2006)
Ben Affleck
Himself - Host / ... (6 episodes, 1999-2008)
Sting
Himself - Musical Guest / ... (6 episodes, 1987-19
Fred Willard
'Bear City' Narrator / ... (6 episodes, 1978-2005)
Madonna
Herself / ... (6 episodes, 1985-2009)
Larry David
Audience Member / ... (6 episodes, 1984-1985)
Teri Garr
Herself - Host / ... (5 episodes, 1979-1985)
Foo Fighters
Themselves - Musical Guest (5 episodes, 1995-2007)
Tom Malone
Band Member / ... (5 episodes, 1975-1978)
Lou Marini
Band Member / ... (5 episodes, 1975-1978)
Alan Rubin
Alan 'Mr. Fabulous' Rubin / ... (5 episodes, 1975-
Hugh Fink
Audience Member / ... (5 episodes, 1996-2000)
Chiko Mendez
Trumpet Player - Showbiz Grande Explosion / ... (5
Ludacris
Himself - Musical Guest / ... (4 episodes, 2004-20
Neil Young
Himself - Musical Guest (4 episodes, 1989-2005)
Eminem
Himself - Musical Guest (4 episodes, 1999-2004)
Jack Black
Himself - Host / ... (4 episodes, 1998-2005)
Bonnie Raitt
Herself - Musical Guest / ... (4 episodes, 1978-19
Billy Joel
Himself - Musical Guest / ... (4 episodes, 1978-19
Mariah Carey
Herself - Musical Guest / ... (4 episodes, 1990-20
Snoop Dogg
Himself - Musical Guest / ... (4 episodes, 1994-20
Roseanne
Herself - Host / ... (4 episodes, 1991-1994)
Marc Weiner
Rocko Weineretto / ... (4 episodes, 1981-1982)
Aerosmith
Themselves - Musical Guest (4 episodes, 1990-2001)
Tom Arnold
Himself - Host / ... (4 episodes, 1991-1996)
Bon Jovi
Themselves - Musical Guest / ... (4 episodes, 1993
Phoebe Snow
Herself - Musical Guest (3 episodes, 1975-1979)
The Killers
Themselves - Musical Guest (3 episodes, 2005-2008)
Kanye West
Himself - Musical Guest / ... (3 episodes, 2005-20
50 Cent
Himself - Musical Guest (3 episodes, 2003-2005)
Dick Cavett
Himself - Host / ... (3 episodes, 1976-1983)
David Bowie
Himself - Musical Guest (3 episodes, 1979-1999)
Gwen Stefani
Herself - Musical Guest / ... (3 episodes, 2001-20
U2
Themselves / ... (3 episodes, 2000-2009)
R.E.M.
Themselves - Musical Guest (3 episodes, 1991-1999)
Green Day
Themselves - Musical Guest (3 episodes, 1994-2009)
Shakira
Herself - Musical Guest (3 episodes, 2001-2009)
Al Jarreau
Himself - Musical Guest (3 episodes, 1976-1990)
Jay Leno
Himself / ... (3 episodes, 1986-1994)
Sheryl Crow
Herself - Musical Guest (3 episodes, 1996-2005)
Jay-Z
Himself - Musical Guest / ... (3 episodes, 2000-20
Bono
Himself - Musical Guest / ... (3 episodes, 2004-20
Rob Lowe
Himself - Host / ... (3 episodes, 1990-2000)
Al Gore
Himself / ... (3 episodes, 2002-2009)
Gary Weis
Himself / ... (3 episodes, 1975-1976)
Tom Scott
Blues Brothers Band / ... (3 episodes, 1978-1980)
Bob Zmuda
Himself - Referee / ... (3 episodes, 1979-1982)
Tina Turner
Herself - Musical Guest / ... (3 episodes, 1981-19
Tony Danza
Himself - Host / ... (3 episodes, 1982-1989)
Joel Godard
Announcer (segment I'm a Handsome Blackman) / ...
Pearl Jam
Themselves - Musical Guest (3 episodes, 1992-2006)
David Grohl
Himself - Musical Guest (3 episodes, 1992-2003)
Eve
Herself - Musical Guest (3 episodes, 2001-2005)
Leo Allen
Audience Member / ... (3 episodes, 2003-2005)
Adam Levine
Himself - Musical Guest / ... (3 episodes, 2004-20
Frank Zappa
Himself - Host / ... (2 episodes, 1976-1978)
Levon Helm
Himself - Musical Guest (2 episodes, 1976-1977)
The Meters
Themselves - Musical Guest (2 episodes, 1977)
Big Boi
Himself - Musical Guest (2 episodes, 2002-2003)
Jimmy Page
Himself - Musical Guest (2 episodes, 1984-1998)
Art Neville
Himself - Musical Guest / ... (2 episodes, 1986-19
Maroon 5
Themselves - Musical Guest (2 episodes, 2004-2007)
Seth Rogen
Himself - Host / ... (2 episodes, 2007-2009)
Hugh Laurie
Himself - Host / ... (2 episodes, 2006-2008)
Dane Cook
Himself - Host (2 episodes, 2005-2006)
Karen Black
Herself - Host / ... (2 episodes, 1976-1981)
Ron Howard
Contestant #2 / ... (2 episodes, 1981-1982)
Mr. T
Himself / ... (2 episodes, 1982-1985)
Joe Cocker
Himself - Musical Guest (2 episodes, 1976-1983)
Jimmy Cliff
Himself - Musical Guest (2 episodes, 1976-1981)
Anne Murray
Herself - Musical Guest (2 episodes, 1976-1980)
Santana
Themselves - Musical Guest (2 episodes, 1977-1985)
Meat Loaf
Himself - Musical Guest (2 episodes, 1978-1981)
Ron Wood
Himself - Host / ... (2 episodes, 1976-1978)
Rod Stewart
Himself - Musical Guest (2 episodes, 1981-1995)
Sade
Herself - Musical Guest / ... (2 episodes, 1985-19
Björk
Herself - Musical Guest (2 episodes, 1997-2007)
Coldplay
Themselves - Musical Guest (2 episodes, 2001-2008)
Fiona Apple
Herself - Musical Guest (2 episodes, 1996-2000)
Norah Jones
Herself - Musical Guest (2 episodes, 2002-2004)
Nelly
Himself - Musical Guest / ... (2 episodes, 2002-20
Lil' Wayne
Himself - Musical Guest (2 episodes, 2004-2008)
Sum 41
Themselves - Musical Guest (2 episodes, 2001-2005)
Pink
Herself - Musical Guest (2 episodes, 2002-2003)
The Edge
Himself - Musical Guest (2 episodes, 2004-2009)
Lloyd Banks
Himself - Musical Guest (2 episodes, 2003-2004)
Paul Rudd
Himself / ... (2 episodes, 2008-2009)
Prince
Himself / ... (2 episodes, 1981-2006)
Young Buck
Himself - Musical Guest (2 episodes, 2003-2004)
Phil Hyms
Himself - Lighting Designer / ... (2 episodes, 197
Donald Dunn
Blues Brothers Band / ... (2 episodes, 1978)
Matt Murphy
Blues Brothers Band / ... (2 episodes, 1978)
Bob Newhart
Himself - Host / ... (2 episodes, 1980-1995)
The B-52's
Themselves / ... (2 episodes, 1980-1990)
The Kinks
Themselves - Musical Guest / ... (2 episodes, 1981
Joe Jackson
Himself - Musical Guest (2 episodes, 1982-1986)
Bruce Dern
Himself - Host / ... (2 episodes, 1982-1983)
Men at Work
Themselves - Musical Guest / ... (2 episodes, 1982
The Cars
Themselves - Musical Guest (2 episodes, 1984-1987)
Lou Reed
Himself / ... (2 episodes, 1986-2001)
Spike Lee
Himself / ... (2 episodes, 1986-1991)
Sean Penn
Himself / ... (2 episodes, 1987-1995)
Cher
Herself / ... (2 episodes, 1987-1992)
Anita Baker
Herself - Musical Guest (2 episodes, 1987-1989)
Kevin Kline
Himself - Host / ... (2 episodes, 1988-1993)
Don Henley
Himself - Musical Guest / ... (2 episodes, 1989-20
Glenn Close
Herself - Host / ... (2 episodes, 1989-1992)
Joe Pesci
Himself / ... (2 episodes, 1992-1997)
Nirvana
Themselves - Musical Guest (2 episodes, 1992-1993)
Beastie Boys
Themselves - Musical Guest (2 episodes, 1994-1998)
Live
Themselves - Musical Guest (2 episodes, 1995-1997)
Bush
Themselves - Musical Guest (2 episodes, 1995-1996)
No Doubt
Themselves - Musical Guest (2 episodes, 1996-2001)
Dr. Dre
Himself - Musical Guest / ... (2 episodes, 1996-19
Brian Stack
Man in Glenn Frey's Bedroom / ... (2 episodes, 200
Macy Gray
Herself - Musical Guest / ... (2 episodes, 2000-20
Tom Green
Himself / ... (2 episodes, 2000-2001)
Kid Rock
Himself / ... (2 episodes, 2000-2001)
Mick Leroy
Dinner Guest / ... (2 episodes, 2001-2002)
Proof
Himself (2 episodes, 2002-2004)
Apl.de.Ap
Himself - Musical Guest (2 episodes, 2004-2009)
Taboo
Himself - Musical Guest (2 episodes, 2004-2009)
Will i Am
Himself - Musical Guest (2 episodes, 2004-2009)
Gunna Wilson
Herself - NBC Peacock Singers (2 episodes, 2005-20
Alan Wong
Harry Kimball Dong / ... (2 episodes, 2008)