Person

Liam O'Brien

Acting · Born 1976-05-28 · Belleville, New Jersey, USA

Liam is an American voice actor, writer and voice director in the Los Angeles area. He has been involved in many English-language adaptations of Japanese anime, and is also a regular in numerous video games and cartoons. [wikipedia]

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  Regular Show

  Tango (voice)

• 

  Phineas and Ferb

  Red Skull (voice)

• 

  The Legend of Vox Machina

  Vax'ildan (voice)

• 

  Critical Role

  Vax'ildan Vessar

• 

  Star Wars Rebels

  Commander (voice)

• 

  Sofia the First

  Boswell (voice)

• 

  Marvel's Avengers

  Red Skull / Commuter (voice)

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  Star Wars: The Bad Batch

  Bolo / Captured Falleen / Raney (voice)

• 

  Um, Actually...

  Self - Contestant

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  Star Wars: Young Jedi Adventures

  Master Estala Maru (voice)

• 2026Tale GateSelf
• 2025The Mighty NeinCaleb (voice)
• 2025LEGO Marvel Avengers: Strange TailsDoctor Strange / Red Skull (voice)
• 2025Critical Role Live: Jester and Fjord's WeddingCaleb Widogast
• 2025Critical Role Live: Oaths & AshOrym, of the Air Ashari
• 2025Critical Role Live: Tag Team at the Teeth – Beyond the ShroudOrym, of the Air Ashari
• 2025Critical Role Live: Tag Team at the Teeth – The Misty AscentCaleb Widogast
• 2025Age of UmbraSkreev
• 2025Weird KidsMcTuff (voice)
• 2024DaggerheartXarlo Grandall
• 2024MOONWARDWalden Orlock
• 2024Fireside ChatSelf
• 2024Critical Role AbridgedOrym, of the Air Ashari
• 2024Critical Role CooldownSelf
• 2023LEGO Marvel Avengers: Code RedRed Skull / Hydra Goon 2 (voice)
• 2023Candela ObscuraCosmo Grimm
• 2023Star Wars: Young Jedi AdventuresMaster Estala Maru (voice)
• 2023Adventure Never Ends: A Tabletop SagaSelf
• 2022Dirty LaundrySelf - Guest
• 20224-Sided DiveSelf
• 2022The Legend of Vox MachinaVax'ildan (voice)
• 2021Exandria UnlimitedOrym, of the Air Ashari
• 2021Star Wars: The Bad BatchBolo / Captured Falleen / Raney (voice)
• 2021DOTA: Dragon's BloodNikdo / Bandit #1 / Bandit #4 (voice)
• 2020Crit Recap AnimatedCaleb Widowgast (voice)
• 2020Narrative TelephoneSelf
• 2020Carmen Sandiego: To Steal or Not to StealProfessor Maelstrom / Diplomat / Guard 2 (voice)
• 2019Carmen SandiegoProfessor Maelstrom / Vlad / Boris / Others (voice)
• 2018Um, Actually...Self - Contestant
• 2018Between the SheetsSelf
• 2018LEGO Marvel Super Heroes: Black Panther - Trouble in WakandaDoctor Strange (voice)
• 2018Critical Role: The Mighty NeinCaleb Widogast
• 2017Sagas of SundryEmmett Markham
• 2016Ginger & SnapperSnapper (voice)
• 2016Hulk: Where Monsters DwellDoctor Strange (voice)
• 2015EverstarPaxley (voice)
• 2015CelebriD&DVax'ildan
• 2015The Phoenix IncidentJacob Reynolds
• 2015Critical RoleVax'ildan Vessar
• 2014Star Wars RebelsCommander (voice)
• 2014Star Wars Rebels: Spark of RebellionYogar Lyste/ Morad Sumar/ Vendor 1
• 2014Iron Man & Captain America: Heroes UnitedThe Red Skull (voice)
• 2014JLA Adventures: Trapped in TimeAquaman / Batwing Computer (voice)
• 2013Iron Man & Hulk: Heroes UnitedThe Red Skull (voice)
• 2013Phineas and Ferb: Mission MarvelRed Skull (voice)
• 2013Marvel's AvengersRed Skull / Commuter (voice)
• 2013Sofia the FirstBoswell (voice)
• 2012Game On!Self - Guest
• 2010G.I. Joe: RenegadesCaptain Anatoly Krimov/Red Star/German CEO (voice)
• 2010Regular ShowTango (voice)
• 2010Planet HulkHiroim (voice)
• 2010Wolverine and the X-Men: Fate of the FutureKurt Wagner / Nightcrawler (voice) (archive footage)
• 2009Afro Samurai: ResurrectionShichogoro (voice)
• 2009Wolverine and the X-MenKurt Wagner (voice)
• 2008Adventures in Voice ActingSelf
• 2007Phineas and FerbRed Skull (voice)
• 2000Descendants of Darkness(voice)
• —The Dragon King