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Malcolm Goodwin and Gunnar Sizemore in Sterling (2023)

Matt Burnett, Ben Levin, and Gunnar Sizemore

Gunnar Sizemore as Greg from Everybody Still Hates Chris

Lester Purry and Gunnar Sizemore in Sterling (2023)

Hap, Shannon, Sammy and Reggie run from Houlihan in Lucky.

Mick Wingert, Haley Tju, Gunnar Sizemore, Laya DeLeon Hayes, and Makana Say

Gunnar Sizemore on the set of "Distinction"

"By Way of Guitar" with Billy Zane and Gunnar Sizemore

Gunnar Sizemore as the voice of Billy Billions in Ben 10 for Cartoon Network

Jason Earles, Leo Howard, Dylan Snyder, Mateo Arias, Braden Fitzgerald & Gunnar Sizemore shooting "Kickin It"

Kevin Sizemore, Gina Lombardi & Gunnar Sizemore at the world premier of "A Christmas Tree Miracle"

"Magic Meltdown" Gunnar Sizemore, (Betty Grace White) & Justin Wilman

Gunnar Sizemore doing the voiceover for "The Story of Pines"

Gunnar Sizemore attending the Lexus Short Film Series of his film "Swimming In Air."

Gunnar Sizemore as the voice of Ralf in I'M SCARED.

Sam Palladio & Gunnar Sizemore on Nashville.

Gunnar Sizemore as a young Conan O'Brien on Conan.

Gunnar Sizemore in" The Book of Life " as Ignacio

Sam Palladio and Gunnar Sizemore on the set of Nashville

Kevin, Gina and Gunnar Sizemore at the Woodlawn premier.

Atticus Shaffer (Seabass) and Gunnar Sizemore (Cooter) CLARENCE for Cartoon Network. 

Gunnar Sizemore and Molly Jackson in Penny for Your Thoughts (2015)

An actor since the age of three, Gunnar Sizemore has appeared in multiple films and television series. Some of his notable roles include Micah Brenner in the ABC series "Nashville", Bao in Dreamworks' "Kung Fu Panda: The Paws of Destiny", Billy Billions in Cartoon Network's "Ben 10," Ultraman Ace in Netflix's "Ultraman," and Jason in the Emmy and NAACP Image Award-nominated Cartoon Network series "Craig of the Creek". He is a series regular role as the voice of Greg on Chris Rock's Comedy Central series "Everybody Still Hates Chris", as well as Wes Vinik on season 2 of Disney+'s "Star Wars: Young Jedi Adventures".

Gunnar is also an award-winning writer and director. His latest film "Sterling" stars Malcolm Goodwin from Amazon Prime's "Reacher" and has won over 12 awards in the festival circuit, including the Academy-Award qualifying Indy Shorts International Film Festival. For his first foray into the world of professional theater, Gunnar co-wrote and co-directed the play "Forget Me Not" with magician and Broadway magic consultant Kyle Marlett, which premiered at the Gaslight Theater in St. Louis, Missouri to stellar reviews. His next effort in the theater will be directing Samuel Beckett's "Krapp's Last Tape" at the American Repertory Theater in Cambridge, Massachusetts. Gunnar recently completed principal photography on his next film starring Yasmeen Fletcher from Disney+'s "Ms. Marvel"; he plans to release the film at the end of 2025.

Gunnar studies world literature and film at Harvard University. He hosts the weekly jazz hour on WHRB radio and is a member of the improv group TLA.

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Gunnar Sizemore

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