| John Goodman | James P. "Sulley" Sullivan (hlas) | |
| Mary Gibbs | Boo (hlas) | |
| James Coburn | Henry J. Waternoose (hlas) | |
| Bob Peterson | Roz (hlas) | |
| Frank Oz | Fungus (hlas) | |
| Steve Susskind | Floor Manager (hlas) |
| Billy Crystal | Mike Wazowski (hlas) | |
| Steve Buscemi | Randall Boggs (hlas) | |
| Jennifer Tilly | Celia (hlas) | |
| John Ratzenberger | The Abominable Snowman (hlas) | |
| Daniel Gerson | Needleman/Smitty (hlas) | |
| Bonnie Hunt | Flint (hlas) |