Acting

Liam O'Brien

Born 1976-05-28 · Belleville, New Jersey, USA38 series30 films

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]

Liam O'Brien's films on Charmy Movies →

Acting

2026Tale GateSelf2 ep.
2025The Mighty NeinCaleb (voice)8 ep.
2025LEGO Marvel Avengers: Strange TailsDoctor Strange / Red Skull (voice)1 ep.
2025Age of UmbraSkreev8 ep.
2025Weird KidsMcTuff (voice)4 ep.
2024DaggerheartXarlo Grandall9 ep.
2024MOONWARDWalden Orlock4 ep.
2024Fireside ChatSelf3 ep.
2024Critical Role CooldownSelf82 ep.
2024Critical Role AbridgedOrym, of the Air Ashari123 ep.
2023Candela ObscuraCosmo Grimm6 ep.
2023Star Wars: Young Jedi AdventuresMaster Estala Maru (voice)3 ep.
2022Dirty LaundrySelf - Guest1 ep.
20224-Sided DiveSelf14 ep.
2022The Legend of Vox MachinaVax'ildan (voice)48 ep.
2021Exandria UnlimitedOrym, of the Air Ashari12 ep.
2021Star Wars: The Bad BatchBolo (voice)8 ep.
2021DOTA: Dragon's BloodNikdo / Bandit #1 / Bandit #4 (voice)1 ep.
2020Crit Recap AnimatedCaleb Widowgast (voice)11 ep.
2020Narrative TelephoneSelf26 ep.
2019Carmen SandiegoProfessor Maelstrom / Vlad / Boris / Others (voice)31 ep.
2018All Work No PlaySelf27 ep.
2018Um, Actually...Self - Contestant1 ep.
2018Between the SheetsSelf1 ep.
2018Between the Sheets - Critical RoleSelf7 ep.
2017Sagas of SundryEmmett Markham8 ep.
2015CelebriD&DVax'ildan1 ep.
2015Critical RoleCaleb Widogast421 ep.
2014Star Wars RebelsLt. Lyste / Morad Sumar (voice)4 ep.
2013Marvel's AvengersDoctor Strange (voice)3 ep.
2013Sofia the FirstBoswell (voice)1 ep.
2012Game On!Self - Guest1 ep.
2010G.I. Joe: RenegadesCaptain Anatoly Krimov/Red Star/German CEO (voice)1 ep.
2010Regular ShowTango (voice)1 ep.
2009Wolverine and the X-MenKurt Wagner (voice)26 ep.
2007Phineas and FerbRed Skull (voice)1 ep.
2000Descendants of Darkness(voice)13 ep.
—The Dragon King1 ep.

Behind the camera

2025The Mighty NeinExecutive Producer8 ep.
2022The Legend of Vox MachinaExecutive Producer, Writer48 ep.

Guest appearances

2024Critical Role CooldownSelf, Vincent Locke (voice)23 ep.
2014Critical RoleAlly, Buddy, Caleb Widogast, Caleb Widogast / Orym111 ep.
2025Weird KidsMcTuff (voice), Self5 ep.
2026Tale GateSelf2 ep.
2024Fireside ChatSelf3 ep.
2025The Long RestCaleb Widogast (voice)1 ep.
2025LEGO Marvel Avengers: Strange TailsDoctor Strange / Red Skull (voice)1 ep.
2020Narrative TelephoneSelf, Self - Storyteller28 ep.
2025Age of UmbraSelf1 ep.
20224-Sided DiveSelf17 ep.
2024MOONWARDSelf (voice)2 ep.
2023Star Wars: Young Jedi AdventuresMaster Estala Maru (voice), Onderrs (voice)3 ep.
2024MIDSTSelf1 ep.
2024Candela ObscuraSelf4 ep.
2021Star Wars: The Bad BatchBartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice), Bolo (voice), Bolo / Captured Falleen / Raney (voice), Bolo / Pyke (voice)8 ep.
2023Dirty LaundrySelf - Guest1 ep.
2022The Legend of Vox MachinaSelf3 ep.
2022Um, Actually...Self - Contestant1 ep.
2021Exandria UnlimitedSelf2 ep.
2021DOTA: Dragon's BloodNikdo / Bandit #1 / Bandit #4 (voice)1 ep.
2019Carmen SandiegoProfessor Maelstrom / Vlad / Boris / Others (voice)9 ep.
2018Between the SheetsSelf1 ep.
2013Marvel's AvengersDoctor Strange (voice), Red Skull (voice), Red Skull / Commuter (voice)3 ep.
2017CelebriD&DVax'ildan1 ep.
2014Star Wars RebelsCommander (voice), Deck Officer / Imperial Tech / Lieutenant Lyste (voice), Lt. Lyste / Morad Sumar (voice), Lt. Lyste / Stormtrooper Squad Leader (voice)4 ep.
2014Regular ShowTango (voice)1 ep.
2013Phineas and FerbRed Skull (voice)1 ep.
2013Sofia the FirstBoswell (voice)1 ep.
2012Game On!Self - Guest1 ep.
2011G.I. Joe: RenegadesCaptain Anatoly Krimov/Red Star/German CEO (voice)1 ep.

Also known as: Liam O'Brian · William Markham · Christopher Liam O'Brien · Liam Christopher O'Brien