The Simpsons: Notable Celebrity Cameos

Famous people who've joined The Simpsons

The Simpsons currently holds the Guinness World Record for "Most Celebrities Featured in an Animation series."

Season One–1989 Kelsey Grammer	Season Two–1990 James Earl Jones Larry King
Season Three–1991 Phil Hartman Jackie Mason Aerosmith Sting	Season Four–1992 Elizabeth Taylor Leonard Nimoy Barry White
Season Five–1993 Michelle Pfeiffer Conan O'Brien James Woods	Season Six–1994 Winona Ryder Meryl Streep Patrick Stewart
Season Seven–1995 Mickey Rooney Donald Sutherland Kirk Douglas	Season Eight–1996 Rodney Dangerfield Johnny Cash David Duchovny
Season Nine–1997 Martin Sheen Alex Trebek Jay Leno	Season Ten–1998 Regis Philbin Dan Marino Stephen Hawking Elton John
Season Eleven–1999 Mel Gibson Mark McGwire Stephen Hawking Tom Arnold Dick Clark	Season Twelve–2000 Gary Coleman Stephen King Edward Norton Andre Agassi
Season Thriteen–2001 Ben Stiller Reese Witherspoon	Season Fourteen–2002 Mick Jagger Tony Bennett
Season Fifteen–2003 Oscar de la Hoya J. K. Rowling	Season Sixteen–2004 LeBron James Gary Busey
Season Seventeen–2005 Alec Baldwin Dennis Rodman	Season Eighteen–2006 Metallica Natalie Portman