Liam O'Brien

Acting • 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]

Known For

8.2

The Legend of Vox Machina

2022

8.2

Critical Role

2015

7.6

Wolverine and the X-Men

2009

8.0

Carmen Sandiego

2019

7.1

Planet Hulk

2010

8.2

The Mighty Nein

2025

Fan Club

No Nerds have favorited Liam O'Brien yet — be the first.

All fan clubs

From Nerdspin

Filmography

2026
Tale GateTV
Self • 2 episodes
2025
The Mighty NeinTV
Caleb (voice) • 8 episodes
★ 8.2
2025
LEGO Marvel Avengers: Strange TailsTV
Doctor Strange / Red Skull (voice) • 1 episodes
★ 6.3
2025
Critical Role Live: Jester and Fjord's WeddingFilm
Caleb Widogast
★ 8.0
2025
Weird KidsTV
McTuff (voice) • 4 episodes
2025
Age of UmbraTV
Skreev • 8 episodes
2025
Critical Role Live: Oaths & AshFilm
Orym, of the Air Ashari
2025
Critical Role Live: Tag Team at the Teeth – Beyond the ShroudFilm
Orym, of the Air Ashari
2025
Critical Role Live: Tag Team at the Teeth – The Misty AscentFilm
Caleb Widogast
2024
Critical Role CooldownTV
Self • 82 episodes
★ 9.0
2024
Critical Role AbridgedTV
Orym, of the Air Ashari • 123 episodes
2024
Fireside ChatTV
Self • 3 episodes
2024
DaggerheartTV
Xarlo Grandall • 9 episodes
2024
MOONWARDTV
Walden Orlock • 4 episodes
2023
LEGO Marvel Avengers: Code RedFilm
Red Skull / Hydra Goon 2 (voice)
★ 6.5
2023
Star Wars: Young Jedi AdventuresTV
Master Estala Maru (voice) • 2 episodes
★ 4.6
2023
Star Wars: Young Jedi AdventuresTV
Onderrs (voice) • 1 episodes
★ 4.6
2023
Candela ObscuraTV
Cosmo Grimm • 3 episodes
★ 7.3
2023
Candela ObscuraTV
Game Master • 3 episodes
★ 7.3
2023
Adventure Never Ends: A Tabletop SagaFilm
Self
2022
The Legend of Vox MachinaTV
Vax'ildan (voice) • 48 episodes
★ 8.2
2022
Dirty LaundryTV
Self - Guest • 1 episodes
★ 7.4
2022
4-Sided DiveTV
Self • 14 episodes
★ 7.0
2021
Star Wars: The Bad BatchTV
Bolo / Tactical Droid (voice) • 1 episodes
★ 8.1
2021
Star Wars: The Bad BatchTV
Bolo / Captured Falleen / Raney (voice) • 1 episodes
★ 8.1
2021
Star Wars: The Bad BatchTV
Bolo / Scrapper (voice) • 1 episodes
★ 8.1
2021
Star Wars: The Bad BatchTV
Bolo (voice) • 2 episodes
★ 8.1
2021
Star Wars: The Bad BatchTV
Bolo / Pyke (voice) • 1 episodes
★ 8.1
2021
Star Wars: The Bad BatchTV
Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice) • 1 episodes
★ 8.1
2021
Star Wars: The Bad BatchTV
Devaronian Captain / Pyke (voice) • 1 episodes
★ 8.1
2021
DOTA: Dragon's BloodTV
Nikdo / Bandit #1 / Bandit #4 (voice) • 1 episodes
★ 7.7
2021
Exandria UnlimitedTV
Orym, of the Air Ashari • 8 episodes
★ 4.8
2021
Exandria UnlimitedTV
Erro Mordaurum • 4 episodes
★ 4.8
2020
Carmen Sandiego: To Steal or Not to StealFilm
Professor Maelstrom / Diplomat / Guard 2 (voice)
★ 6.6
2020
Narrative TelephoneTV
Self • 24 episodes
★ 7.0
2020
Narrative TelephoneTV
Self - Storyteller • 2 episodes
★ 7.0
2020
Crit Recap AnimatedTV
Caleb Widowgast (voice) • 10 episodes
2020
Crit Recap AnimatedTV
Orym, of the Air Ashari (voice) • 1 episodes
2019
Carmen SandiegoTV
Professor Maelstrom / Vlad / Boris / Others (voice) • 31 episodes
★ 8.0
2018
Um, Actually...TV
Self - Contestant • 1 episodes
★ 8.6
2018
LEGO Marvel Super Heroes: Black Panther - Trouble in WakandaFilm
Doctor Strange (voice)
★ 6.0
2018
Between the SheetsTV
Self • 1 episodes
★ 9.0
2018
All Work No PlayTV
Self • 27 episodes
2018
Between the Sheets - Critical RoleTV
Self • 7 episodes
2017
Sagas of SundryTV
Emmett Markham • 8 episodes
★ 8.0
2016
Hulk: Where Monsters DwellFilm
Doctor Strange (voice)
★ 6.6
2016
Ginger & SnapperFilm
Snapper (voice)
★ 7.0
2015
Critical RoleTV
Orym, of the Air Ashari • 121 episodes
★ 8.2
2015
Critical RoleTV
Vax'ildan Vessar • 115 episodes
★ 8.2
2015
Critical RoleTV
Caleb Widogast • 141 episodes
★ 8.2
2015
Critical RoleTV
Halandil "Hal" Fang • 44 episodes
★ 8.2
2015
The Phoenix IncidentFilm
Jacob Reynolds
★ 5.0
2015
EverstarFilm
Paxley (voice)
★ 3.0
2015
CelebriD&DTV
Vax'ildan • 1 episodes
★ 1.0
2014
Star Wars RebelsTV
Commander (voice) • 1 episodes
★ 7.7
2014
Star Wars RebelsTV
Lt. Lyste / Stormtrooper Squad Leader (voice) • 1 episodes
★ 7.7
2014
Star Wars RebelsTV
Lt. Lyste / Morad Sumar (voice) • 1 episodes
★ 7.7
2014
Star Wars RebelsTV
Deck Officer / Imperial Tech / Lieutenant Lyste (voice) • 1 episodes
★ 7.7
2014
JLA Adventures: Trapped in TimeFilm
Aquaman / Batwing Computer (voice)
★ 6.6
2014
Star Wars Rebels: Spark of RebellionFilm
Yogar Lyste/ Morad Sumar/ Vendor 1
★ 7.3
2014
Iron Man & Captain America: Heroes UnitedFilm
The Red Skull (voice)
★ 6.5
2013
Marvel's AvengersTV
Doctor Strange (voice) • 1 episodes
★ 7.5
2013
Marvel's AvengersTV
Red Skull / Commuter (voice) • 1 episodes
★ 7.5
2013
Marvel's AvengersTV
Red Skull (voice) • 1 episodes
★ 7.5
2013
Sofia the FirstTV
Boswell (voice) • 1 episodes
★ 7.2
2013
Phineas and Ferb: Mission MarvelFilm
Red Skull (voice)
★ 6.6
2013
Iron Man & Hulk: Heroes UnitedFilm
The Red Skull (voice)
★ 5.9
2012
Game On!TV
Self - Guest • 1 episodes
2010
Regular ShowTV
Tango (voice) • 1 episodes
★ 8.6
2010
Planet HulkFilm
Hiroim (voice)
★ 7.1
2010
G.I. Joe: RenegadesTV
Captain Anatoly Krimov/Red Star/German CEO (voice) • 1 episodes
★ 7.2
2010
Wolverine and the X-Men: Fate of the FutureFilm
Kurt Wagner / Nightcrawler (voice) (archive footage)
★ 6.7
2009
Wolverine and the X-MenTV
Kurt Wagner (voice) • 26 episodes
★ 7.6
2009
Afro Samurai: ResurrectionFilm
Shichogoro (voice)
★ 6.9
2008
Adventures in Voice ActingFilm
Self
★ 10.0
2007
Phineas and FerbTV
Red Skull (voice) • 1 episodes
★ 7.9
2000
Descendants of DarknessTV
(voice) • 13 episodes
★ 6.3