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