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Liam O'Brien

Acting

Liam O'Brien

Born
(age 50)
Birthplace
Belleville, New Jersey, USA
Credits
59 titles

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]

Latest project Best work, ranked IMDb

Signature work

Known For

Acting credits 59

YearTitleRole
TBA The Dragon King TV (1 ep)
2026 Tale Gate TV Self (2 ep)
2025 The Mighty Nein TV Caleb (voice) (8 ep)
2025 LEGO Marvel Avengers: Strange Tails TV Doctor Strange / Red Skull (voice) (1 ep)
2025 Critical Role Live: Jester and Fjord's Wedding Film Caleb Widogast
2025 Critical Role Live: Oaths & Ash Film Orym, of the Air Ashari
2025 Critical Role Live: Tag Team at the Teeth – Beyond the Shroud Film Orym, of the Air Ashari
2025 Critical Role Live: Tag Team at the Teeth – The Misty Ascent Film Caleb Widogast
2025 Age of Umbra TV Skreev (8 ep)
2025 Weird Kids TV McTuff (voice) (4 ep)
2024 Daggerheart TV Xarlo Grandall (9 ep)
2024 MOONWARD TV Walden Orlock (4 ep)
2024 Fireside Chat TV Self (3 ep)
2024 Critical Role Cooldown TV Self (79 ep)
2024 Critical Role Abridged TV Orym, of the Air Ashari (123 ep)
2023 LEGO Marvel Avengers: Code Red Film Red Skull / Hydra Goon 2 (voice)
2023 Candela Obscura TV Cosmo Grimm, Game Master (3 ep)
2023 Star Wars: Young Jedi Adventures TV Master Estala Maru (voice), Onderrs (voice) (2 ep)
2023 Adventure Never Ends: A Tabletop Saga Film Self
2022 Dirty Laundry TV Self - Guest (1 ep)
2022 4-Sided Dive TV Self (14 ep)
2022 The Legend of Vox Machina TV Vax'ildan (voice) (48 ep)
2021 Exandria Unlimited TV Orym, of the Air Ashari, Erro Mordaurum (8 ep)
2021 Star Wars: The Bad Batch TV Bolo / Captured Falleen / Raney (voice), Bolo / Tactical Droid (voice), Bolo / Scrapper (voice), Bolo (voice), Bolo / Pyke (voice), Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice), Devaronian Captain / Pyke (voice) (1 ep)
2021 DOTA: Dragon's Blood TV Nikdo / Bandit #1 / Bandit #4 (voice) (1 ep)
2020 Crit Recap Animated TV Orym, of the Air Ashari (voice), Caleb Widowgast (voice) (1 ep)
2020 Narrative Telephone TV Self, Self - Storyteller (24 ep)
2020 Carmen Sandiego: To Steal or Not to Steal Film Professor Maelstrom / Diplomat / Guard 2 (voice)
2019 Carmen Sandiego TV Professor Maelstrom / Vlad / Boris / Others (voice) (31 ep)
2018 Um, Actually... TV Self - Contestant (1 ep)
2018 All Work No Play TV Self (27 ep)
2018 Between the Sheets TV Self (1 ep)
2018 Between the Sheets - Critical Role TV Self (7 ep)
2018 LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda Film Doctor Strange (voice)
2017 Sagas of Sundry TV Emmett Markham (8 ep)
2016 Ginger & Snapper Film Snapper (voice)
2016 Hulk: Where Monsters Dwell Film Doctor Strange (voice)
2015 Everstar Film Paxley (voice)
2015 CelebriD&D TV Vax'ildan (1 ep)
2015 The Phoenix Incident Film Jacob Reynolds
2015 Critical Role TV Vax'ildan Vessar, Orym, of the Air Ashari, Caleb Widogast, Halandil "Hal" Fang (115 ep)
2014 Star Wars Rebels TV Commander (voice), Lt. Lyste / Stormtrooper Squad Leader (voice), Lt. Lyste / Morad Sumar (voice), Deck Officer / Imperial Tech / Lieutenant Lyste (voice) (1 ep)
2014 Star Wars Rebels: Spark of Rebellion Film Yogar Lyste/ Morad Sumar/ Vendor 1
2014 Iron Man & Captain America: Heroes United Film The Red Skull (voice)
2014 JLA Adventures: Trapped in Time Film Aquaman / Batwing Computer (voice)
2013 Iron Man & Hulk: Heroes United Film The Red Skull (voice)
2013 Phineas and Ferb: Mission Marvel Film Red Skull (voice)
2013 Marvel's Avengers TV Red Skull / Commuter (voice), Doctor Strange (voice), Red Skull (voice) (1 ep)
2013 Sofia the First TV Boswell (voice) (1 ep)
2012 Game On! TV Self - Guest (1 ep)
2010 G.I. Joe: Renegades TV Captain Anatoly Krimov/Red Star/German CEO (voice) (1 ep)
2010 Regular Show TV Tango (voice) (1 ep)
2010 Planet Hulk Film Hiroim (voice)
2010 Wolverine and the X-Men: Fate of the Future Film Kurt Wagner / Nightcrawler (voice) (archive footage)
2009 Afro Samurai: Resurrection Film Shichogoro (voice)
2009 Wolverine and the X-Men TV Kurt Wagner (voice) (26 ep)
2008 Adventures in Voice Acting Film Self
2007 Phineas and Ferb TV Red Skull (voice) (1 ep)
2000 Descendants of Darkness TV (voice) (13 ep)

Crew credits 5

YearTitleJob
2025 The Mighty Nein TV Executive Producer (8 ep)
2024 Critical Role Cooldown TV Creator
2022 The Legend of Vox Machina TV Executive Producer, Writer (48 ep)
2018 All Work No Play TV Creator
2015 Critical Role TV Creator
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