Who Shrunk Saturday Morning?

Mark-Paul Gosselaar as Zack Morris Dustin Diamond as Samuel 'Screech' Powers Ross Bagdasarian, Jr. as Alvin Seville (voice) Don Messick as Papa Smurf (voice) John Moschitta Jr. as Flash Dennis Haskins as Mr. Richard Belding (archive footage) John Candy as Himself Mario López as Albert Clifford 'A.C.' Slater Tiffani-Amber Thiessen as Kelly Kapowski Marsha Warfield as Ms. Bagwind Ed Alonzo as Max (archive footage) Lark Voorhies as Lisa Turtle Elizabeth Berkley as Jessie Spano Sherman Hemsley as The Master Programmer Matt Hill as Kevin Keene (voice) Robert Ito as Miyagi Yakuga (voice)