Directed by:
- Dan Scanlon
Written by:
- Dan Scanlon
- Daniel Gerson
- Robert L. Baird
Main cast:
- Billy Crystal - Michael "Mike" Wazowski
- Noah Johnston - Young Mike
- John Goodman - James P. "Sulley" Sullivan
- Steve Buscemi - Randall "Randy" Boggs
- Joel Murray - Don Carlton
- Sean Hayes - Terri Perry
- Dave Foley - Terry Perry
- Peter Sohn - Scott "Squishy" Squibbles
- Charlie Day - Art
- Helen Mirren - Dean Abigail Hardscrabble
- Alfred Molina - Professor Derek Knight
- Nathan Fillion - Johnny J. Worthington III
- Aubrey Plaza - Claire Wheeler
- Tyler Labine - Brock Pearson
- John Krasinski - "Frightening" Frank McCay
- Bonnie Hunt - Ms. Karen Graves
- Bill Hader - Referee / Slug
- Bobby Moynihan - Chet Alexander
- Julia Sweeney - Sherri Squibbles
- Beth Behrs - Carrie Williams
- Bob Peterson - Roz
- John Ratzenberger - The Abominable Snowman
.