20. Stephen Hawking (“They Saved Lisa’s Brain”)
*1st of 3 appearances
19. Michelle Pfeiffer (“The Last Temptation of Homer”)
*As Mindy Simmons
18. Ernest Borgnine (“Boy Scoutz N The Hood”)
17. Matt Groening (“My Big Fat Geek Wedding”)
16. Tony Hawk (“Barting Over”)
15. Lucy Lawless (“Treehouse of Horror X”)
14. Keith Richards/Mick Jagger (“How I Spent My Strummer Vacation”)
13. Rodney Dangerfield (“Burns Baby Burns”)
*As Larry Burns
12. Mr. T (“Today I Am A Clown”)
11. Patrick Stewart (“Homer the Great”)
*As Number One
10. Stephen Colbert (“He Loves to Fly and He D’ohs”)
09. The Ramones (“Rosebud”)
08. Elizabeth Taylor (“Lisa’s First Word”)
*As Maggie (1 of 2 Apperances)
07. Johnny Cash (“The Mysterious Voyage of Homer”)
*As The Coyote
06. J.K. Rowling (“The Regina Monologues”)
05. Mark Hamill (“Mayored to the Mob”)
04. Pierce Brosnan (“Treehouse of Horror XII”)
*As the voice of Ultrahouse 3000
03. Christina Ricci (“Summer of 4 Ft. 2”)
*As Erin
02. U2 (“Trash of the Titans”)
01. Albert Brooks (“You Only Move Once”)
*As Hank Scorpio **Has appeared numerous times on the show (and the movie!) but this is his best role.