For Pixar’s Monsters University, Billy Crystal, John Goodman and Steve Buscemi will reprise their voice roles from 2001′s Monsters, Inc., but the new film will also feature plenty of new characters.
EW has revealed  more actors who are bringing the animated movie’s monsters to life. Among the talent lending their voices to the film are Nathan Fillion (Castle), John Krasinski (The Office), Tyler Labine (Tucker & Dale vs. Evil), Bobby Moynihan (Girls), Beth Behrs (2 Broke Girls), and Pixar staples Bonnie Hunt (Cheaper By the Dozen) and John Ratzenberger (Cheers).
Hunt’s acceptance into Monsters University marks a return to the Pixar family. She also voiced characters in A Bug’s Life, Cars, Toy Story 3, multiple short films, and even Monsters, Inc., though as a different character than her role in the prequel.
Previously announced voice actors include Sean P. Hayes (Will & Grace), Charlie Day (Horrible Bosses), Dave Foley (The Kids in the Hall), Julia Sweeney (The Goode Family), Joel Murray (Dharma & Greg), Peter Sohn (Ratatouille), Aubrey Plaza (Parks and Recreation), Alfred Molina (Spider-Man 2), and Helen Mirren (The Queen).
Head over to EW  to check out Disney’s character descriptions and exclusive images for these characters and more from Monsters University, which opens June 21.
Source: Pixar Planet