Acting credits
57
Established
Large and steady acting portfolio.
Actor
Liam O'Brien
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
0.9
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 20Series: 37Crew credits: 4
TMDB ID: 89966
IMDb ID: nm1240448
Known for: Acting
Born: May 28, 1976
Age: 50
Place of birth: Belleville, New Jersey, USA
Gender: Male
Adult content flag: No
Career span: 2000 - 2026
Years active: 27
Average TMDB rating: 7.09
Wikidata: Q908941
Also known as
Liam O'Brian • William Markham • Christopher Liam O'Brien • Liam Christopher O'Brien
Other jobs
Creator (2)Executive Producer (2)
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]
Movies
Movies
Movie credits linked with Liam O'Brien.
as Caleb Widogast
Critical Role Live: Jester and Fjord's Wedding
2025 • Movie
as Orym, of the Air Ashari
Critical Role Live: Oaths & Ash
2025 • Movie
as Orym, of the Air Ashari
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
2025 • Movie
as Caleb Widogast
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
2025 • Movie
as Red Skull / Hydra Goon 2 (voice)
LEGO Marvel Avengers: Code Red
2023 • Movie
as Self
Adventure Never Ends: A Tabletop Saga
2023 • Movie
as Professor Maelstrom / Diplomat / Guard 2 (voice)
Carmen Sandiego: To Steal or Not to Steal
2020 • Movie
as Doctor Strange (voice)
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
2018 • Movie
as Doctor Strange (voice)
Hulk: Where Monsters Dwell
2016 • Movie
as Paxley (voice)
Everstar
2015 • Movie
as Jacob Reynolds
The Phoenix Incident
2015 • Movie
as Yogar Lyste/ Morad Sumar/ Vendor 1
Star Wars Rebels: Spark of Rebellion
2014 • Movie
as The Red Skull (voice)
Iron Man & Captain America: Heroes United
2014 • Movie
as Aquaman / Batwing Computer (voice)
JLA Adventures: Trapped in Time
2014 • Movie
as The Red Skull (voice)
Iron Man & Hulk: Heroes United
2013 • Movie
as Red Skull (voice)
Phineas and Ferb: Mission Marvel
2013 • Movie
as Hiroim (voice)
Planet Hulk
2010 • Movie
as Kurt Wagner / Nightcrawler (voice) (archive footage)
Wolverine and the X-Men: Fate of the Future
2010 • Movie
as Shichogoro (voice)
Afro Samurai: Resurrection
2009 • Movie
as Self
Adventures in Voice Acting
2008 • Movie
Series
Series
Series credits linked with Liam O'Brien.
as Self • 1 eps
Tale Gate
2026 • Series
as Caleb (voice) • 8 eps
The Mighty Nein
2025 • Series
as Doctor Strange / Red Skull (voice) • 1 eps
LEGO Marvel Avengers: Strange Tails
2025 • Series
as Skreev • 8 eps
Age of Umbra
2025 • Series
as McTuff (voice) • 1 eps
Weird Kids
2025 • Series
as Xarlo Grandall • 9 eps
Daggerheart
2024 • Series
as Walden Orlock • 4 eps
MOONWARD
2024 • Series
as Self • 3 eps
Fireside Chat
2024 • Series
as Self • 75 eps
Critical Role Cooldown
2024 • Series
as Orym, of the Air Ashari • 123 eps
Critical Role Abridged
2024 • Series
as Cosmo Grimm • 3 eps
Candela Obscura
2023 • Series
as Master Estala Maru (voice) • 2 eps
Star Wars: Young Jedi Adventures
2023 • Series
as Self - Guest • 1 eps
Dirty Laundry
2022 • Series
as Self • 14 eps
4-Sided Dive
2022 • Series
as Vax'ildan (voice) • 48 eps
The Legend of Vox Machina
2022 • Series
as Orym, of the Air Ashari • 8 eps
Exandria Unlimited
2021 • Series
as Bolo / Captured Falleen / Raney (voice) • 1 eps
Star Wars: The Bad Batch
2021 • Series
as Nikdo / Bandit #1 / Bandit #4 (voice) • 1 eps
DOTA: Dragon's Blood
2021 • Series
as Caleb Widowgast (voice) • 10 eps
Crit Recap Animated
2020 • Series
as Self • 24 eps
Narrative Telephone
2020 • Series
as Professor Maelstrom / Vlad / Boris / Others (voice) • 31 eps
Carmen Sandiego
2019 • Series
as Self - Contestant • 1 eps
Um, Actually...
2018 • Series
as Self • 1 eps
Between the Sheets
2018 • Series
as Emmett Markham • 8 eps
Sagas of Sundry
2017 • Series