This list doesn't include guest voices, only regular cast members.
  1. Dan Castellaneta
    Best known for: Homer Simpson. Also voiced: Grandpa from Hey Arnold!
  2. Lacey Chabert
    Known for: Gretchen Wieners in Mean Girls. Voiced: Eliza Thornberry in the Wild Thornberrys.
  3. Tim Curry
    Known for: A lot. My favorite is Dr. Frank n furter from Rocky Horror Picture Show. Voiced: Nigel Thornberry in the Wild Thornberrys.
  4. Flea
    Know for: bassist for the Red Hot Chili Peppers. Voiced: Donnie in the Wild Thornberrys.
  5. Sally Struthers
    Known for: Gilmore Girls, All In the Family. Voiced: Rebecca Cunningham on TaleSpin
  6. James Avery
    Known for: Uncle Phil on The Fresh Prince of Bel Air. Voiced: Shredder on TMNT
  7. Constance Shulman
    Known for: Yoga Jones on OITNB. Voiced: Patty Mayonnaise on Doug.
  8. Kathleen Wilhoite
    Known for: Luke Danes' sister on Gilmore Girls. Voiced: Pepper Ann on eponymous show.
  9. Howie Mandel
    Known for: Deal or No Deal, America's Got Talent. Voiced: Bobby from Bobby's World.
  10. Mischa Barton
    Known for: Marissa Cooper on the O.C. Voiced: Betty Ann Bongo on KaBlam!