PLOT: A look at the relationship between Mike Wazowski (Billy Crystal) and James P. "Sully" Sullivan (John Goodman) during their days at Monsters University, when they weren't necessarily the best.. Voiced most times by Carlos Alazraqui. Images of the Mike Wazowski voice actors from the Monsters, Inc. franchise.
Noah Johnston (born August 2, 2008) is an American child actor who plays young Mike Wazowski in the prologue of Monsters University when Mike realizes that he wants to become a scarer.. The only time Billy Crystal didn't voice this character is for a few lines in Monsters University. Noah Johnston plays the child version of Mike Wazowski, sharing his dreams before he grows up to attend college. Hear young Mike Wazowski in this field trip clip.