T.J. as Sheriff Woody Gus as Buzz Lightyear Mikey as Mr. Potato Head Dave the Digger as Slinky Dog Vince as Rex Principal Prickly as Hamm Cornchip Girl as Bo Peep Sam the Digger as Sarge Hustler Kid as Young Andy Davis Baby Robbie (from The Brave Little Toaster Goes To Mars) as Baby Molly Davis The Kindergartners as Aliens Miss Grotke as Andy's Mom Dr. Phillium Benedict as Sid Phillips Ms. Finster as Hannah Phillips Bruce (from Finding Nemo) as Scud the Dog