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‘Family Guy’ Spinoff ‘Stewie’ Adds Six to Cast, Including Kenan Thompson and Vanessa Bayer

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CitrixNews Staff
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‘Family Guy’ Spinoff ‘Stewie’ Adds Six to Cast, Including Kenan Thompson and Vanessa Bayer
Jul 22, 2026 11:05am PT ‘Family Guy’ Spinoff ‘Stewie’ Adds Six to Cast, Including Kenan Thompson and Vanessa Bayer

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Joe Otterson

TV Reporter

joeotterson See All FAMILY GUY, center: Stewie Griffin (voice: Seth MacFarlane), right: Rupert, Martian Meg', (Season 23, ep. 2315, aired June 5, 2025). photo: ©Fox / Courtesy Everett Collection ©20thCentFox/Courtesy Everett Collection

The upcoming “Family Guy” spinoff focused on Stewie Griffin is building out its voice cast.

Variety has confirmed that, in addition to Seth MacFarlane as Stewie, “Family Guy” mainstay Mike Henry will also lend his voice to the show, as will Kenan Thompson, Vanessa Bayer, Melissa O’Neil, Aaron Lee, and Jessica Lowe.

“Stewie” was originally announced in March with a two-season order at Fox, which also airs “Family Guy” as that show goes into its 25th season.

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