Liam O'Brien
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
Personal Info
Known For
Acting
Known Credits
80
Gender
Male
Birthday
1976-05-28 (49 years old)
Place of Birth
Belleville, New Jersey, USA
Acting
2025
The Mighty Nein as Caleb (voice)2025
Age of Umbra as Skreev2025
Critical Role Live: Tag Team at the Teeth – The Misty Ascent as Caleb Widogast2025
Critical Role: Oaths & Ash as Orym, of the Air Ashari2025
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall as Caleb Widogast2025
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud as Orym, of the Air Ashari2024
Critical Role Cooldown as Self2024
Critical Role Abridged as Orym2024
Daggerheart as Xarlo Grandall2024
Fireside Chat as Self2024
MOONWARD as Walden Orlock2023
Star Wars: Young Jedi Adventures as Master Estala Maru (voice)2023
Star Wars: Young Jedi Adventures as Onderrs (voice)2023
LEGO Marvel Avengers: Code Red as Red Skull / Hydra Goon 2 (voice)2023
Candela Obscura as Cosmo Grimm2023
Candela Obscura as Game Master2023
Adventure Never Ends: A Tabletop Saga as Self2022
The Legend of Vox Machina as Vax'ildan (voice)2022
Dirty Laundry as Self - Guest2022
4-Sided Dive as Self2021
Star Wars: The Bad Batch as Bolo / Captured Falleen / Raney (voice)2021
Star Wars: The Bad Batch as Bolo / Tactical Droid (voice)2021
Star Wars: The Bad Batch as Bolo / Scrapper (voice)2021
Star Wars: The Bad Batch as Bolo (voice)2021
Star Wars: The Bad Batch as Bolo / Pyke (voice)2021
Star Wars: The Bad Batch as Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice)2021
Star Wars: The Bad Batch as Devaronian Captain / Pyke (voice)2021
DOTA: Dragon's Blood as Nikdo / Bandit #1 / Bandit #4 (voice)2021
Exandria Unlimited as Orym, of the Air Ashari2021
Exandria Unlimited as Erro Mordaurum2020
Narrative Telephone as Self2020
Narrative Telephone as Self - Storyteller2020
Carmen Sandiego: To Steal or Not to Steal as Professor Maelstrom / Diplomat / Guard 2 (voice)2020
Crit Recap Animated as Orym, of the Air Ashari (voice)2020
Crit Recap Animated as Caleb Widowgast (voice)2018
Um, Actually... as Self - Contestant2018
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda as Doctor Strange (voice)2018
Between the Sheets as Self2018
Critical Role: The Mighty Nein as Caleb Widogast2017
Sagas of Sundry as Emmett Markham2016
Hulk: Where Monsters Dwell as Doctor Strange (voice)2016
Ginger & Snapper as Snapper (voice)2015
Critical Role as Vax'ildan Vessar2015
Critical Role as Orym, of the Air Ashari2015
Critical Role as Caleb Widogast2015
Critical Role as Halandil "Hal" Fang2015
The Phoenix Incident as Jacob Reynolds2015
CelebriD&D as Vax'ildan2015
Everstar as Paxley (voice)2014
Star Wars Rebels as Commander (voice)2014
Star Wars Rebels as Lt. Lyste / Stormtrooper Squad Leader (voice)2014
Star Wars Rebels as Lt. Lyste / Morad Sumar (voice)2014
Star Wars Rebels as Deck Officer / Imperial Tech / Lieutenant Lyste (voice)2014
Star Wars Rebels: Spark of Rebellion as Yogar Lyste/ Morad Sumar/ Vendor 12014
JLA Adventures: Trapped in Time as Aquaman (voice)2014
Iron Man & Captain America: Heroes United as The Red Skull (voice)2013
Sofia the First as Boswell (voice)2013
Marvel's Avengers as Red Skull / Commuter (voice)2013
Marvel's Avengers as Doctor Strange (voice)2013
Marvel's Avengers as Red Skull (voice)2013
Phineas and Ferb: Mission Marvel as Red Skull (voice)2013
Iron Man & Hulk: Heroes United as The Red Skull (voice)2010
Regular Show as Tango (voice)2010
G.I. Joe: Renegades as Captain Anatoly Krimov/Red Star/German CEO (voice)2010
Planet Hulk as Hiroim (voice)2010
Wolverine and the X-Men: Fate of the Future as Kurt Wagner / Nightcrawler (voice) (archive footage)2009
Wolverine and the X-Men as Kurt Wagner (voice)2009
Afro Samurai: Resurrection as Shichogoro (voice)2008
Adventures in Voice Acting as Self2007
Phineas and Ferb as Red Skull (voice)2006
Brave Story as Ishioka Young Bishop (English version, voice)2000
Descendants of Darkness as (voice)1990
The Spirit of '76 as Rodney SnodgrassNaN
The Dragon King as Not availableCrew
2025
The Mighty Nein Executive Producer2024
Critical Role Cooldown Creator2022
The Legend of Vox Machina Executive Producer2022
The Legend of Vox Machina Writer2018
Critical Role: The Mighty Nein Creator2015
Critical Role Creator