Visiting voices on the Simpsons

JAMES BROWN ROLE: Himself, singing "I Got You (I Feel Good)" with the Springfield marching band. THE EXPERIENCE: "It was good, clean, and humorous. And we need more of that around. Long live the Simpsons!"

Reporting by Heather Keets, Kirsten McCumber, Kate Meyers, and Jessica Shaw

WHO'S WHO

1. Tracey Ullman as Emily Winthrop 2. Barry White 3. Hugh Hefner4. Tom Jones 5. Dr. Joyce Brothers 6. Joe Frazier 7. Ringo Starr 8. Albert Brooks as Jacques 9. Bette Midler 10. Sting 11. Adam West 12. David Crosby 13. Michelle Pfeiffer as Mindy 14. Kelsey Grammer as Sideshow Bob 15. James Taylor 16. Buzz Aldrin 17. Danny DeVito as Herb Simpson 18. Brooke Shields 19. Joe Mantegna as Fat Tony 20. James Woods 21. James Brown 22. Elizabeth Taylor 23. Magic Johnson24. Harvey Fierstein as Karl 25. Jon Lovitz as Llewellyn Sinclair 26. Neil Patrick Harris as a cross between Bart Simpson and Doogie Howser 27. Kathleen Turner as Stacy Lovell 28. Johnny Carson 29. Michael Jackson in an uncredited role as an insane-asylum inmate who says he's Michael Jackson 30. Ernest Borgnine 31. Tony Bennett 32. Darryl Strawberry 33. Penny Marshall as Ms. Botz 34. Dustin Hoffman in the uncredited role of Mr. Bergstrom 35. Wade Boggs 36. Bob Hope 37. Leonard Nimoy 38. Conan O'Brien 39. Sara Gilbert as Laura Powers 40. Phil Hartman as Lionel Hutz 41. Luke Perry filling in for Sideshow Bob 42. Linda Ronstadt