Liam O'Brien
ActingBorn May 28, 1976
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
Adventures in Voice Acting
movie2008
Um, Actually...
tv2018
Critical Role Cooldown
tv2024
Between the Sheets
tv2018
Critical Role: The Mighty Nein
tv2018
Critical Role Cooldown
tv2024
Critical Role: The Mighty Nein
tv2018
Regular Show
tv2010
The Legend of Vox Machina
tv2022
The Legend of Vox Machina
tv2022
The Legend of Vox Machina
tv2022
Star Wars: The Bad Batch
tv2021
Filmography
2025The Mighty Neinas Executive Producertv2025LEGO Marvel Avengers: Strange Tailsas Doctor Strange (voice) / Red Skull (voice)tv2025Dispatchas Kellen Sebastian / Lightningstrucktv2025Critical Role Live: Jester and Fjord's Weddingas Caleb Widogastmovie2025Critical Role Live: Oaths & Ashas Orym, of the Air Asharimovie2025Critical Role Live: Tag Team at the Teeth – Beyond the Shroudas Orym, of the Air Asharimovie2025Critical Role Live: Tag Team at the Teeth – The Misty Ascentas Caleb Widogastmovie2025Age of Umbraas Skreevtv2024Daggerheartas Xarlo Grandalltv2024MOONWARDas Walden Orlocktv2024Fireside Chatas Selftv2024Critical Role Cooldownas Creatortv2024Critical Role Abridgedas Orym, of the Air Asharitv2023LEGO Marvel Avengers: Code Redas Red Skull / Hydra Goon 2 (voice)movie2023Candela Obscuraas Game Mastertv2023Star Wars: Young Jedi Adventuresas Onderrs (voice)tv2023Adventure Never Ends: A Tabletop Sagaas Selfmovie2022Dirty Laundryas Self - Guesttv20224-Sided Diveas Selftv2022The Legend of Vox Machinaas Writertv2021Exandria Unlimitedas Erro Mordaurumtv2021Star Wars: The Bad Batchas Devaronian Captain / Pyke (voice)tv2021DOTA: Dragon's Bloodas Nikdo / Bandit #1 / Bandit #4 (voice)tv2020Crit Recap Animatedas Caleb Widowgast (voice)tv2020Narrative Telephoneas Self - Storytellertv2020Carmen Sandiego: To Steal or Not to Stealas Professor Maelstrom / Diplomat / Guard 2 (voice)movie2018Um, Actually...as Self - Contestanttv2018Between the Sheetsas Selftv2018LEGO Marvel Super Heroes: Black Panther - Trouble in Wakandaas Doctor Strange (voice)movie2018Critical Role: The Mighty Neinas Creatortv2017Sagas of Sundryas Emmett Markhamtv2016Ginger & Snapperas Snapper (voice)movie2016Hulk: Where Monsters Dwellas Doctor Strange (voice)movie2015Everstaras Paxley (voice)movie2015CelebriD&Das Vax'ildantv2015The Phoenix Incidentas Jacob Reynoldsmovie2015Critical Roleas Creatortv2014Star Wars Rebelsas Deck Officer / Imperial Tech / Lieutenant Lyste (voice)tv2014Star Wars Rebels: Spark of Rebellionas Yogar Lyste/ Morad Sumar/ Vendor 1movie2014Iron Man & Captain America: Heroes Unitedas The Red Skull (voice)movie2014JLA Adventures: Trapped in Timeas Aquaman / Batwing Computer (voice)movie2013Iron Man & Hulk: Heroes Unitedas The Red Skull (voice)movie2013Phineas and Ferb: Mission Marvelas Red Skull (voice)movie2013Marvel's Avengersas Red Skull (voice)tv2013Sofia the Firstas Boswell (voice)tv2012Game On!as Self - Guesttv2010G.I. Joe: Renegadesas Captain Anatoly Krimov/Red Star/German CEO (voice)tv2010Regular Showas Tango (voice)tv2010Planet Hulkas Hiroim (voice)movie2010Wolverine and the X-Men: Fate of the Futureas Kurt Wagner / Nightcrawler (voice) (archive footage)movie2009Afro Samurai: Resurrectionas Shichogoro (voice)movie2009Wolverine and the X-Menas Kurt Wagner (voice)tv2008Adventures in Voice Actingas Selfmovie2007Phineas and Ferbas Red Skull (voice)tv2000Descendants of Darknessas (voice)tvSoonThe Dragon Kingtv