Liam O'Brien
Acting
76
Acting Credits
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
Filmography
Tale Gate
2026
as Self
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
2025
as Caleb Widogast
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
2025
as Orym, of the Air Ashari
Critical Role Live: Oaths & Ash
2025
as Orym, of the Air Ashari
Critical Role Live: Jester and Fjord's Wedding
2025
as Caleb Widogast
Age of Umbra
2025
as Skreev
The Mighty Nein
2025
as Caleb (voice)
LEGO Marvel Avengers: Strange Tails
2025
as Doctor Strange / Red Skull (voice)
Weird Kids
2025
as McTuff (voice)
Critical Role Abridged
2024
as Orym, of the Air Ashari
Critical Role Cooldown
2024
as Self
MOONWARD
2024
as Walden Orlock
Daggerheart
2024
as Xarlo Grandall
Fireside Chat
2024
as Self
LEGO Marvel Avengers: Code Red
2023
as Red Skull / Hydra Goon 2 (voice)
Adventure Never Ends: A Tabletop Saga
2023
as Self
Star Wars: Young Jedi Adventures
2023
as Master Estala Maru (voice)
Candela Obscura
2023
as Cosmo Grimm
Candela Obscura
2023
as Game Master
Star Wars: Young Jedi Adventures
2023
as Onderrs (voice)
The Legend of Vox Machina
2022
as Vax'ildan (voice)
Dirty Laundry
2022
as Self - Guest
4-Sided Dive
2022
as Self
DOTA: Dragon's Blood
2021
as Nikdo / Bandit #1 / Bandit #4 (voice)
Star Wars: The Bad Batch
2021
as Bolo / Tactical Droid (voice)
Star Wars: The Bad Batch
2021
as Bolo / Captured Falleen / Raney (voice)
Star Wars: The Bad Batch
2021
as Bolo / Scrapper (voice)
Star Wars: The Bad Batch
2021
as Bolo (voice)
Star Wars: The Bad Batch
2021
as Bolo / Pyke (voice)
Star Wars: The Bad Batch
2021
as Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice)
Star Wars: The Bad Batch
2021
as Devaronian Captain / Pyke (voice)
Exandria Unlimited
2021
as Orym, of the Air Ashari
Exandria Unlimited
2021
as Erro Mordaurum
Carmen Sandiego: To Steal or Not to Steal
2020
as Professor Maelstrom / Diplomat / Guard 2 (voice)
Crit Recap Animated
2020
as Caleb Widowgast (voice)
Crit Recap Animated
2020
as Orym, of the Air Ashari (voice)
Narrative Telephone
2020
as Self
Narrative Telephone
2020
as Self - Storyteller
Carmen Sandiego
2019
as Professor Maelstrom / Vlad / Boris / Others (voice)
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
2018
as Doctor Strange (voice)
Um, Actually...
2018
as Self - Contestant
Between the Sheets
2018
as Self
Between the Sheets - Critical Role
2018
as Self
Sagas of Sundry
2017
as Emmett Markham
Ginger & Snapper
2016
as Snapper (voice)
Hulk: Where Monsters Dwell
2016
as Doctor Strange (voice)
The Phoenix Incident
2015
as Jacob Reynolds
Everstar
2015
as Paxley (voice)
CelebriD&D
2015
as Vax'ildan
Critical Role
2015
as Orym, of the Air Ashari
Critical Role
2015
as Vax'ildan Vessar
Critical Role
2015
as Caleb Widogast
Critical Role
2015
as Halandil "Hal" Fang
Star Wars Rebels: Spark of Rebellion
2014
as Yogar Lyste/ Morad Sumar/ Vendor 1
Iron Man & Captain America: Heroes United
2014
as The Red Skull (voice)
JLA Adventures: Trapped in Time
2014
as Aquaman / Batwing Computer (voice)
Star Wars Rebels
2014
as Commander (voice)
Star Wars Rebels
2014
as Lt. Lyste / Stormtrooper Squad Leader (voice)
Star Wars Rebels
2014
as Lt. Lyste / Morad Sumar (voice)
Star Wars Rebels
2014
as Deck Officer / Imperial Tech / Lieutenant Lyste (voice)
Iron Man & Hulk: Heroes United
2013
as The Red Skull (voice)
Phineas and Ferb: Mission Marvel
2013
as Red Skull (voice)
Marvel's Avengers
2013
as Doctor Strange (voice)
Marvel's Avengers
2013
as Red Skull / Commuter (voice)
Sofia the First
2013
as Boswell (voice)
Marvel's Avengers
2013
as Red Skull (voice)
Game On!
2012
as Self - Guest
Wolverine and the X-Men: Fate of the Future
2010
as Kurt Wagner / Nightcrawler (voice) (archive footage)
Planet Hulk
2010
as Hiroim (voice)
Regular Show
2010
as Tango (voice)
G.I. Joe: Renegades
2010
as Captain Anatoly Krimov/Red Star/German CEO (voice)
Afro Samurai: Resurrection
2009
as Shichogoro (voice)
Wolverine and the X-Men
2009
as Kurt Wagner (voice)
Adventures in Voice Acting
2008
as Self
Phineas and Ferb
2007
as Red Skull (voice)
Descendants of Darkness
2000
as (voice)