Gunnar Sizemore Biography: Age, Height, Net Worth, Girlfriend, Movies, TV Shows, Parents, Siblings

Gunnar Sizemore is an American actor, voice actor, writer, and director, known for his roles in Nashville, Kung Fu Panda: The Paws of Destiny, and Everybody Still Hates Chris.

Starting his career at age three, he has built a diverse portfolio in television, film, voice acting, and theater, showcasing his versatility as a young talent in the entertainment industry.

Profile

• Full Name: Gunnar Sizemore
• Stage Name: Gunnar Sizemore
• Born: January 9, 2005
• Age: 20 years old
• Birthplace: United States
• Nationality: American
• Occupation: Actor, Voice Actor, Writer, Director
• Height: Unknown
• Parents: Kevin Sizemore, Gina Lombardi
• Siblings: Unknown
• Spouse: None
• Children: None
• Relationship: Single
• Net Worth: $500,000 to $1 million USD

Early Life and Education

Gunnar Sizemore was born on January 9, 2005, in the United States, sharing his birthday with his grandmother and great-grandmother. His father, Kevin Sizemore, is an actor, and his mother, Gina Lombardi, is a strength and conditioning coach, author, and host of the podcast Health Interrupted.

Growing up in a creative and supportive family, Gunnar began acting at age three, suggesting an early immersion in the entertainment industry, likely in California, though his exact birthplace is not specified.

He is currently a student at Harvard University, studying world literature and film, where he also hosts a weekly jazz hour on WHRB radio and is a member of the improv group TLA.

Career

Gunnar Sizemore started acting at three, debuting in television and voice acting roles. He gained recognition for playing Micah Brenner in ABC’s Nashville (2014–2015) and voicing characters like Billy Billions in Cartoon Network’s Ben 10 (2016–2017), Bao in DreamWorks’ Kung Fu Panda: The Paws of Destiny (2018–2019), and Ultraman Ace in Netflix’s Ultraman.

He is a series regular voicing Greg in Comedy Central’s Everybody Still Hates Chris (2024–present) and Wes Vinik in Disney+’s Star Wars: Young Jedi Adventures (Season 2, 2024).

His film work includes voicing Ralf in the stop-motion short I’m Scared and roles in animated films like The Book of Life (2014) and Hotel Transylvania 2 (2015).

As a writer and director, Gunnar’s short film Sterling (starring Malcolm Goodwin) won over 12 awards, including at the Academy-Award-qualifying Indy Shorts International Film Festival.

He co-wrote and co-directed the play Forget Me Not with Kyle Marlett, which premiered at the Gaslight Theater in St. Louis, Missouri, to strong reviews. His next theater project is directing Samuel Beckett’s Krapp’s Last Tape at the American Repertory Theater in Cambridge, Massachusetts.

He recently completed principal photography on a film starring Yasmeen Fletcher, set for release in late 2025. Gunnar also runs a YouTube channel, MondayShorts, where he posts short films.

Social Media

• Instagram Handle: @gunnarsizemore
• Twitter Handle: @GunnarSizemore
• YouTube Channel: MondayShorts

Personal Life

Gunnar Sizemore, of American descent, likely resides in California or Massachusetts, given his career and studies at Harvard. At 20, he is single, with no reported spouse or children. His personal life remains private, with no public details about romantic relationships.

His parents, Kevin Sizemore and Gina Lombardi, have been influential in his career, with his father’s acting background providing industry connections.

Filmography

Films:

• Heartfall (2013, Short Film) – Lead Role
• The Book of Life (2014) – Voice Role
• Hotel Transylvania 2 (2015) – Voice Role
• I’m Scared (Stop-Motion Short) – Ralf (voice)
• Sterling (Short Film, Writer/Director) – Featuring Malcolm Goodwin
• Untitled Film (2025, in production) – Featuring Yasmeen Fletcher

TV Series:

• Kickin’ It (2010–2014, Disney XD) – Guest Role
• Nashville (2014–2015) – Micah Brenner
• Ben 10 (2016–2017) – Billy Billions (voice)
• Shimmer and Shine (Nickelodeon) – Ezri (voice)
• Kung Fu Panda: The Paws of Destiny (2018–2019) – Bao (voice)
• Ultraman (Netflix) – Ultraman Ace (voice)
• Everybody Still Hates Chris (2024–present) – Greg (voice)
• Star Wars: Young Jedi Adventures (2024, Season 2) – Wes Vinik (voice)

Theater:

• Forget Me Not (Co-Writer/Co-Director) – Gaslight Theater, St. Louis
• Krapp’s Last Tape (Director, upcoming) – American Repertory Theater, Cambridge, MA

Net Worth

Gunnar Sizemore’s estimated net worth ranges from $500,000 to $1 million USD, derived from his acting roles in Nashville and Everybody Still Hates Chris, voice work in Kung Fu Panda: The Paws of Destiny and Ben 10, and his award-winning short film Sterling. Additional income comes from his YouTube channel MondayShorts and theater projects. The range reflects his early career stage and varying source estimates.