Acting
Liam O'Brien
Born May 28, 1976 · Belleville, New Jersey, USA
Biography
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]
Known for
8.6 TMDB
Regular Show
Tango (voice)
8.1 TMDB
Star Wars: The Bad Batch
Bolo / Tactical Droid (voice), Bolo / Captured Falleen / Raney (voice), Bolo / Scrapper (voice), Bolo (voice), Bolo / Pyke (voice), Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice), Devaronian Captain / Pyke (voice)
7.9 TMDB
Phineas and Ferb
Red Skull (voice)
7.7 TMDB
Star Wars Rebels
Commander (voice), Lt. Lyste / Stormtrooper Squad Leader (voice), Lt. Lyste / Morad Sumar (voice), Deck Officer / Imperial Tech / Lieutenant Lyste (voice)
8.2 TMDB
The Legend of Vox Machina
Vax'ildan (voice), Executive Producer, Writer
7.5 TMDB
Marvel's Avengers
Doctor Strange (voice), Red Skull / Commuter (voice), Red Skull (voice)
7.1 TMDB
Planet Hulk
Hiroim (voice)
7.2 TMDB
Sofia the First
Boswell (voice)
7.7 TMDB
DOTA: Dragon's Blood
Nikdo / Bandit #1 / Bandit #4 (voice)
7.6 TMDB
Wolverine and the X-Men
Kurt Wagner (voice)
6.6 TMDB
JLA Adventures: Trapped in Time
Aquaman / Batwing Computer (voice)
6.9 TMDB
Afro Samurai: Resurrection
Shichogoro (voice)
5.9 TMDB
Iron Man & Hulk: Heroes United
The Red Skull (voice)
6.6 TMDB
Phineas and Ferb: Mission Marvel
Red Skull (voice)
7.9 TMDB
Carmen Sandiego
Professor Maelstrom / Vlad / Boris / Others (voice)
6.5 TMDB
Iron Man & Captain America: Heroes United
The Red Skull (voice)
7.3 TMDB
Star Wars Rebels: Spark of Rebellion
Yogar Lyste/ Morad Sumar/ Vendor 1
6.5 TMDB
LEGO Marvel Avengers: Code Red
Red Skull / Hydra Goon 2 (voice)
8.1 TMDB
The Mighty Nein
Caleb (voice), Executive Producer
6.6 TMDB
Hulk: Where Monsters Dwell
Doctor Strange (voice)
Filmography
- 2026Tale GateSelfSeries
- 2025The Mighty NeinCaleb (voice), Executive ProducerSeries
- 2025LEGO Marvel Avengers: Strange TailsDoctor Strange / Red Skull (voice)Series
- 2025Critical Role Live: Jester and Fjord's WeddingCaleb WidogastMovie
- 2025Critical Role Live: Oaths & AshOrym, of the Air AshariMovie
- 2025Critical Role Live: Tag Team at the Teeth – Beyond the ShroudOrym, of the Air AshariMovie
- 2025Critical Role Live: Tag Team at the Teeth – The Misty AscentCaleb WidogastMovie
- 2025Age of UmbraSkreevSeries
- 2025Weird KidsMcTuff (voice)Series
- 2024DaggerheartXarlo GrandallSeries
- 2024MOONWARDWalden OrlockSeries
- 2024Fireside ChatSelfSeries
- 2024Critical Role CooldownSelf, CreatorSeries
- 2024Critical Role AbridgedOrym, of the Air AshariSeries
- 2023LEGO Marvel Avengers: Code RedRed Skull / Hydra Goon 2 (voice)Movie
- 2023Candela ObscuraCosmo Grimm, Game MasterSeries
- 2023Star Wars: Young Jedi AdventuresMaster Estala Maru (voice), Onderrs (voice)Series
- 2023Adventure Never Ends: A Tabletop SagaSelfMovie
- 2022Dirty LaundrySelf - GuestSeries
- 20224-Sided DiveSelfSeries
- 2022The Legend of Vox MachinaVax'ildan (voice), Executive Producer, WriterSeries
- 2021Exandria UnlimitedOrym, of the Air Ashari, Erro MordaurumSeries
- 2021Star Wars: The Bad BatchBolo / Tactical Droid (voice), Bolo / Captured Falleen / Raney (voice), Bolo / Scrapper (voice), Bolo (voice), Bolo / Pyke (voice), Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice), Devaronian Captain / Pyke (voice)Series
- 2021DOTA: Dragon's BloodNikdo / Bandit #1 / Bandit #4 (voice)Series
- 2020Crit Recap AnimatedCaleb Widowgast (voice), Orym, of the Air Ashari (voice)Series
- 2020Narrative TelephoneSelf, Self - StorytellerSeries
- 2020Carmen Sandiego: To Steal or Not to StealProfessor Maelstrom / Diplomat / Guard 2 (voice)Movie
- 2019Carmen SandiegoProfessor Maelstrom / Vlad / Boris / Others (voice)Series
- 2018Um, Actually...Self - ContestantSeries
- 2018All Work No PlaySelf, CreatorSeries
- 2018Between the SheetsSelfSeries
- 2018Between the Sheets - Critical RoleSelfSeries
- 2018LEGO Marvel Super Heroes: Black Panther - Trouble in WakandaDoctor Strange (voice)Movie
- 2017Sagas of SundryEmmett MarkhamSeries
- 2016Ginger & SnapperSnapper (voice)Movie
- 2016Hulk: Where Monsters DwellDoctor Strange (voice)Movie
- 2015EverstarPaxley (voice)Movie
- 2015CelebriD&DVax'ildanSeries
- 2015The Phoenix IncidentJacob ReynoldsMovie
- 2015Critical RoleOrym, of the Air Ashari, Vax'ildan Vessar, Caleb Widogast, Halandil "Hal" Fang, CreatorSeries
- 2014Star Wars RebelsCommander (voice), Lt. Lyste / Stormtrooper Squad Leader (voice), Lt. Lyste / Morad Sumar (voice), Deck Officer / Imperial Tech / Lieutenant Lyste (voice)Series
- 2014Star Wars Rebels: Spark of RebellionYogar Lyste/ Morad Sumar/ Vendor 1Movie
- 2014Iron Man & Captain America: Heroes UnitedThe Red Skull (voice)Movie
- 2014JLA Adventures: Trapped in TimeAquaman / Batwing Computer (voice)Movie
- 2013Iron Man & Hulk: Heroes UnitedThe Red Skull (voice)Movie
- 2013Phineas and Ferb: Mission MarvelRed Skull (voice)Movie
- 2013Marvel's AvengersDoctor Strange (voice), Red Skull / Commuter (voice), Red Skull (voice)Series
- 2013Sofia the FirstBoswell (voice)Series
- 2012Game On!Self - GuestSeries
- 2010G.I. Joe: RenegadesCaptain Anatoly Krimov/Red Star/German CEO (voice)Series
- 2010Regular ShowTango (voice)Series
- 2010Planet HulkHiroim (voice)Movie
- 2010Wolverine and the X-Men: Fate of the FutureKurt Wagner / Nightcrawler (voice) (archive footage)Movie
- 2009Afro Samurai: ResurrectionShichogoro (voice)Movie
- 2009Wolverine and the X-MenKurt Wagner (voice)Series
- 2008Adventures in Voice ActingSelfMovie
- 2007Phineas and FerbRed Skull (voice)Series
- 2000Descendants of Darkness(voice)Series
- —The Dragon KingSeries