Monsters, Inc/Credits

Voice Cast

 * John Goodman as James P. Sullivan, a large, furry blue monster with purple spots and the protagonist of the film.
 * At the start of the film, is Monsters, Inc.'s top scarer.
 * After Waternoose's plan is revealed, Sulley becomes the CEO of the ompany, overseeing the collection of laughter from children.
 * Billy Crystal as Mike Wazowski, a green monster and Sulley's sidekick, who is mostly an eyeball with hands and feet.
 * Mike is Sulley's best friend and runs his station on the scare floor.
 * After Sulley takes over, Mike becomes one of the monsters that helps extract laughs from children, using his stand up comedy.
 * Mary Gibbs as, a two year old human girl that is inadvertently brought back to the monster world by Sulley.
 * She appears unafraid of any of the strange monsters, and tries to explore the world on her own.
 * In a book based on the film, it is revealed that Boo's real name is Mary Gibbs.
 * Steve Buscemi as Randall Boggs, an anthropomorphic chameleon-like monster and the primary antagonist of the film.
 * Randall has the ability to change the color of his skin to camouflage himself.
 * He is a direct rival to Sulley, attempting to earn the most Scares during shifts, and is in on Waternoose's plan to kidnap children from the human world.
 * James Coburn as Henry J. Waternoose, III, a monster crab and, at the start of the film, CEO of Monsters, Inc.
 * This was Coburn's last role in an animated work. He is the secondary antagonist of the film.
 * Jennifer Tilly as Celia Mae, a Medusa-like monster with snakes instead of hair, Mike's girlfriend, and receptionist for the company.
 * She playfully refers to Mike as.
 * Bob Peterson as Roz, a slug-like monster that works as a clerk for the Scare floor, but secretly is the top agent of the Child Detection Agency who were seeking evidence for Waternoose's plan.
 * John Ratzenberger as Yeti, he was banished to the Himalayas
 * Frank Oz as Fungus, a three-eyed monster that works as Randal's assistant on the Scare floor, and while aware of the plan, is hesitant to help with its execution.
 * Bonnie Hunt as Ms. Flint, a snake-like monster that trains new monsters in scaring tactics.
 * Jeff Pidgeon as Mr. Bile, a monster, newly hired to Monsters, Inc., who tries, and fails, to impress Sulley and Mr. Waternoose with his scaring antics, but is able to use his clumsiness to extract laughs from children at the end of the film.
 * Dan Gerson as Needleman and Smitty, two monsters that work as janitors on the Scare floor
 * Sam Black as George Sanderson, a monster that runs afoul of the CDA's, contact with a human child, several times during the film, forcing the CDA to shave and scrub him to remove any trace of human contact.
 * Steve Susskind as Jerry Slugworth, a seven-fingered, red monster who is the Scare Floor Manager and Waternoose's good friend.
 * Phil Proctor as Charlie, George's assistant with sea-green skin, two octopus like arms, four tentacles as feet and snail-like eyes.
 * He is friendly and admires Sulley and Mike's work, but calls out all of George's incidents despite insisting they have a brotherly friendship.
 * Joe Ranft as Pete Ward, a blue monster with razor-sharp claws and horrifying breath.
 * Bret 'Brook' Parker as Trailer Mom
 * Wallace Shawn as Rex
 * Frank Welker as James P. "Sulley" Sullivan

Additional Voices

 * Jack Angel - Monster
 * Bob Bergen - Chuck, Horrified Slug
 * Rodger Bumpass - CDA, Yellow News Monster
 * Gino Conforti - Dr. Frasenburger
 * Jennifer Darling - Female Monster #2
 * Patti Deutsch - Female Monster #3
 * Pete Docter - CDA, Father
 * Bobby Edner - Street Kid #1
 * Ashley Edner - Street Kid #2
 * Paul Eiding - Many-eyed Monster
 * Katie Scarlett - Computer Voice #2
 * Bill Farmer - CDA, Photographer
 * Pat Fraley - Jelly Monster
 * Teresa Ganzel - Betty
 * Marc John Jefferies - Simulation Monster #1
 * Joe Lala - Sneezing Monster
 * Sherry Lynn - Female Monster #1
 * Danny Mann - Red Alert Computer Voice
 * Mona Marshall - Computer Voice #1
 * Mickie McGowan - Marge
 * Laraine Newman - Mother, School Teacher
 * Josh Qualtieri - Trailer Boy
 * Guido Quaroni - Tony
 * Jan Rabson - Sushi Chef
 * Lisa Raggio - Simulator Boy
 * Joe Ranft - Nicholas Schmidt
 * Sophia Ranft - Baby Smitty
 * Katherine Ringgold - Ted
 * Bob Scott - Male Monster, Simulation Monster #2
 * David Silverman - CDA
 * Jim Thornton - Monsters, Inc. TV Announcer
 * Lee Unkrich - Josh Rivera

Human Kid & Scream Reference

 * Rachel Adams
 * Elizabeth Docter
 * Nicholas Docter
 * Isabel Faulkner
 * Jeffrey Hughes
 * Anna Keating
 * Henry Kinder
 * Jackson Kinder
 * Ben Lasseter
 * Jackson Lasseter
 * PJ Lasseter
 * Sam Lasseter
 * Jacob McArthur LeValley
 * Liam Pauley
 * Sonja Petroff
 * Jordy Ranft
 * Sophia Ranft
 * Cassandra E. Taylor
 * Jack E. Taylor, Jr.
 * Jennifer M. Taylor
 * Tiffany Anna Taylor
 * Maddie Toy
 * Alice Unkrich
 * Hannah Unkrich