Monsters at Work (TV) Cast
The cast of Monsters at Work. Updated on September 13, 2025.
66 actors
Billy Crystal
as Mike Wazowski (voice) (20 episodes)

Billy Crystal lends his voice to the character of Mike Wazowski, an optimistic and enthusiastic one-eyed monster. Mike is determined to prove himself as a great scarer and make people laugh.

John Goodman
as James P. 'Sulley' Sullivan (voice) (20 episodes)

John Goodman brings his voice talents to the character of James P. 'Sulley' Sullivan, a large and furry monster with a big heart. Sulley is Mike's best friend and together they navigate the challenges of the monster world.

Ben Feldman
as Tylor Tuskmon (voice) (20 episodes)

Ben Feldman voices Tylor Tuskmon, a young and eager monster who dreams of becoming a top scarer. Tylor starts working at Monsters, Incorporated and discovers that the company has transitioned to making children laugh instead of scaring them.

Mindy Kaling
as Val Little (voice) (20 episodes)

Mindy Kaling lends her voice to Val Little, a confident and ambitious monster who is part of the Facilities Team at Monsters, Incorporated. Val is determined to climb the corporate ladder and is always looking for opportunities to shine.

Henry Winkler
as Fritz (voice) (20 episodes)

Henry Winkler brings his voice talents to the character of Fritz, an experienced and knowledgeable monster. Fritz serves as the comedic and eccentric boss of Tylor Tuskmon, offering guidance and quirky wisdom.

Lucas Neff
as Duncan P. Anderson (voice) (20 episodes)
Alanna Ubach
as Katherine 'Cutter' Sterns (voice) (20 episodes)
Alfred Molina
as Professor Knight (voice) (2 episodes)

Alfred Molina voices Professor Knight, an esteemed and knowledgeable monster who teaches the Scare Major at the Monsters University. Professor Knight plays a mentor-like role and guides Tylor Tuskmon on his journey to become a great scarer.

Ferrell Barron
as Additional Monsters (voice) (1 episode)
Aisha Tyler
as Millie (voice) (4 episodes)
Bob Uecker
as Bob Yucker (voice) (1 episode)
Dave Wittenberg
as Fan Monster (voice) (1 episode)
John Michael Higgins
as Argus Blinks (voice) (1 episode)
Michaela Dietz
as Additional Monsters (voice) (6 episodes)
Bob Peterson
as Roze (voice) (6 episodes)
John Ratzenberger
as Bernard (voice) (3 episodes)
Roberts Gannaway
as Roto (voice) (5 episodes)
Hadley Gannaway
as Thalia (voice) (1 episode)
Devin Bright
as Marcus (voice) (1 episode)
Cooper J. Friedman
as Alexander (voice) (1 episode)
Lucian Perez
as Oscar (voice) (1 episode)
Isabella Abiera
as Gurty (voice) (1 episode)
Gabriel Iglesias
as Gary (voice) (2 episodes)
Stephen Stanton
as Smitty / Needleman (voice) (6 episodes)
Jennifer Tilly
as Celia Mae (voice) (8 episodes)
Christopher Swindle
as Phlegm (voice) (3 episodes)
Bonnie Hunt
as Ms. Flint (voice) (7 episodes)
Curtis Armstrong
as Mr. Crummyham (voice) (3 episodes)
Nathan Fillion
as Johnny (voice) (5 episodes)
Carlos Alazraqui
as Josh Rivera / Jebediah (voice) (1 episode)
Jenifer Lewis
as Grandma Tuskmon (voice) (3 episodes)
Ali Wong
as Jill (voice) (2 episodes)
Joe Lo Truglio
as Jack (voice) (2 episodes)
Roxana Ortega
as Celia Mae (voice) (2 episodes)
Alan Kim
as Ben (voice) (2 episodes)
Aubrey Plaza
as Claire (voice) (3 episodes)
Julia Butters
as Lorelei (voice) (2 episodes)
Sander Argabrite
as J.J. (voice) (3 episodes)
Dee Bradley Baker
as Banana Bread (voice) (5 episodes)
Kimberly Brooks
as Additional Monsters (voice) (1 episode)
Romi Dames
as Additional Monsters (voice) (5 episodes)
Rhys Darby
as Roger Rogers (voice) (4 episodes)
Bobby Moynihan
as Chet (voice) (3 episodes)
Danny Pudi
as Evan (voice) (1 episode)
Kurtwood Smith
as Alistair Clawbottom (voice) (1 episode)
Danny Trejo
as Terry (voice) (1 episode)
Cody Rigsby
as Spin-Energy Instructor Monster (voice) (1 episode)
Natalie Lashkari
as Monster Kids (voice) (1 episode)
Ryan McPartlin
as Bully Monster 1 / Mr. April (voice) (1 episode)
Stevie Wermers-Skelton
as Scream Con Mascot / Bully Monster 2 (voice) (1 episode)
Max Mittelman
as Scared Monster / Convention Monsters (voice) (1 episode)
Kevin Deters
as Janitor (voice) (1 episode)
Emily Peterson
as Fear Co. Narrator / Fancy Monsters (voice) (1 episode)
Alan Tudyk
as Pierre / Michel / Maître d' (voice) (1 episode)
Nohely Quiroz
as MNN Receptionist / MU Student (voice) (1 episode)
Paula Pell
as Sunny (voice) (1 episode)
Corey Burton
as Slappy (voice) (1 episode)
Rania Sharkawy
as Avani (voice) (1 episode)
Richard Ayoade
as Declan (voice) (2 episodes)
Janelle James
as Joy (voice) (2 episodes)
Dan Molina
as Ethan (voice) (1 episode)
Jennifer Coolidge
as Marilyn (voice) (1 episode)
Aubrey Matalon
as Neighbor Monsters (voice) (1 episode)
Evan Ridpath
as Tiny Monster (voice) (1 episode)
Jimmy Tatro
as Skyler (voice) (1 episode)
Ethan Sandler
as Stubby Lizzardo (voice) (1 episode)
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