Liam O'Brien
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]
TV Shows(35)
The Mighty Nein
Caleb (voice)
2025
LEGO Marvel Avengers: Strange Tails
Doctor Strange (voice) / Red Skull (voice)
2025
Dispatch
Kellen Sebastian / Lightningstruck
2025
Age of Umbra
Skreev
2025
Daggerheart
Xarlo Grandall
2024
MOONWARD
Walden Orlock
2024
Fireside Chat
Self
2024
Critical Role Abridged
Orym, of the Air Ashari
2024
Critical Role Cooldown
Self
2024
Candela Obscura
Cosmo Grimm
2023
Star Wars: Young Jedi Adventures
Master Estala Maru (voice)
2023
Dirty Laundry
Self - Guest
2022
4-Sided Dive
Self
2022
The Legend of Vox Machina
Vax'ildan (voice)
2022
Exandria Unlimited
Orym, of the Air Ashari
2021
Star Wars: The Bad Batch
Bolo / Tactical Droid (voice)
2021
DOTA: Dragon's Blood
Nikdo / Bandit #1 / Bandit #4 (voice)
2021
Crit Recap Animated
Caleb Widowgast (voice)
2020
Narrative Telephone
Self
2020
Um, Actually...
Self - Contestant
2018
Between the Sheets
Self
2018
Critical Role: The Mighty Nein
Caleb Widogast
2018
Sagas of Sundry
Emmett Markham
2017
CelebriD&D
Vax'ildan
2015
Critical Role
Orym, of the Air Ashari
2015
Star Wars Rebels
Commander (voice)
2014
Marvel's Avengers
Doctor Strange (voice)
2013
Sofia the First
Boswell (voice)
2013
Game On!
Self - Guest
2012
G.I. Joe: Renegades
Captain Anatoly Krimov/Red Star/German CEO (voice)
2010
Regular Show
Tango (voice)
2010
Wolverine and the X-Men
Kurt Wagner (voice)
2009
Phineas and Ferb
Red Skull (voice)
2007
Descendants of Darkness
(voice)
2000
The Dragon King
Movies(21)
Critical Role Live: Jester and Fjord's Wedding
Caleb Widogast
2025
Critical Role Live: Oaths & Ash
Orym, of the Air Ashari
2025
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
Orym, of the Air Ashari
2025
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
Caleb Widogast
2025
LEGO Marvel Avengers: Code Red
Red Skull / Hydra Goon 2 (voice)
2023
Adventure Never Ends: A Tabletop Saga
Self
2023
Carmen Sandiego: To Steal or Not to Steal
Professor Maelstrom / Diplomat / Guard 2 (voice)
2020
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
Doctor Strange (voice)
2018
Ginger & Snapper
Snapper (voice)
2016
Hulk: Where Monsters Dwell
Doctor Strange (voice)
2016
Everstar
Paxley (voice)
2015
The Phoenix Incident
Jacob Reynolds
2015
Star Wars Rebels: Spark of Rebellion
Yogar Lyste/ Morad Sumar/ Vendor 1
2014
Iron Man & Captain America: Heroes United
The Red Skull (voice)
2014
JLA Adventures: Trapped in Time
Aquaman / Batwing Computer (voice)
2014
Iron Man & Hulk: Heroes United
The Red Skull (voice)
2013
Phineas and Ferb: Mission Marvel
Red Skull (voice)
2013
Planet Hulk
Hiroim (voice)
2010
Wolverine and the X-Men: Fate of the Future
Kurt Wagner / Nightcrawler (voice) (archive footage)
2010
Afro Samurai: Resurrection
Shichogoro (voice)
2009
Adventures in Voice Acting
Self
2008