Billy Crystal returns as Mike Wazowski and John Goodman as James P. Sullivan in Pixar’s sequel Monsters Inc. 2 (2025), with new characters voiced by Ayo Edebiri and others.
Main cast
- Mike WazowskiBilly CrystalMain
- James P. ‘Sulley’ SullivanJohn GoodmanMain
- Boo (Mary Gibbs)Ayo EdebiriMain
Supporting cast
- Randall BoggsSteve BuscemiSupp
- Celia MaeJennifer TillySupp
- RozBob PetersonSupp
- Yeti (The Abominable Snowman)John RatzenbergerSupp
Guest & voice
- New Monster TraineeAyo EdebiriVoice
- Additional VoicesMindy KalingVoice
- Additional VoicesBill HaderVoice
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About this cast
Monsters Inc. 2 is the long-awaited sequel from Pixar Animation Studios, set for release in 2025. The film reunites Billy Crystal as the one-eyed green monster Mike Wazowski and John Goodman as the furry blue behemoth James P. Sullivan, as they face new challenges running the laugh-powered company alongside new monster colleagues.
FAQs
Who plays Mike Wazowski in Monsters Inc. 2?
Mike Wazowski is voiced by Billy Crystal, reprising his role from the original film.
Who plays James P. Sullivan in Monsters Inc. 2?
John Goodman returns as the voice of James P. ‘Sulley’ Sullivan, the big blue monster.
Is Boo in Monsters Inc. 2 and who voices her?
Yes, Boo returns. She is voiced by Ayo Edebiri, taking over from the original child actress Mary Gibbs.
Who voices the new characters in Monsters Inc. 2?
Ayo Edebiri voices a new monster trainee, and other new roles are voiced by comedians Mindy Kaling and Bill Hader.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026