Acting credits
54
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: 34Crew credits: 5
TMDB ID: 89966
IMDb ID: nm1240448
Known for: Acting
Born: May 28, 1976
Age: 49
Place of birth: Belleville, New Jersey, USA
Gender: Male
Adult content flag: No
Career span: 2000 - 2025
Years active: 26
Average TMDB rating: 6.98
Wikidata: Q908941
Also known as
Liam O'Brian • William Markham • Christopher Liam O'Brien • Liam Christopher O'Brien
Other jobs
Creator (3)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.
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall
as Caleb Widogast
2025 Movie
Critical Role: Oaths & Ash
as Orym, of the Air Ashari
2025 Movie
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
as Orym, of the Air Ashari
2025 Movie
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
as Caleb Widogast
2025 Movie
6.5
LEGO Marvel Avengers: Code Red
as Red Skull / Hydra Goon 2 (voice)
2023 Movie
Adventure Never Ends: A Tabletop Saga
as Self
2023 Movie
6.5
Carmen Sandiego: To Steal or Not to Steal
as Professor Maelstrom / Diplomat / Guard 2 (voice)
2020 Movie
5.9
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
as Doctor Strange (voice)
2018 Movie
6.6
Hulk: Where Monsters Dwell
as Doctor Strange (voice)
2016 Movie
3.0
Everstar
as Paxley (voice)
2015 Movie
5.0
The Phoenix Incident
as Jacob Reynolds
2015 Movie
7.3
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
2014 Movie
6.5
Iron Man & Captain America: Heroes United
as The Red Skull (voice)
2014 Movie
6.6
JLA Adventures: Trapped in Time
as Aquaman / Batwing Computer (voice)
2014 Movie
5.9
Iron Man & Hulk: Heroes United
as The Red Skull (voice)
2013 Movie
6.6
Phineas and Ferb: Mission Marvel
as Red Skull (voice)
2013 Movie
7.1
Planet Hulk
as Hiroim (voice)
2010 Movie
6.7
Wolverine and the X-Men: Fate of the Future
as Kurt Wagner / Nightcrawler (voice) (archive footage)
2010 Movie
6.8
Afro Samurai: Resurrection
as Shichogoro (voice)
2009 Movie
10.0
Adventures in Voice Acting
as Self
2008 Movie
Series
Series
Series credits linked with Liam O'Brien.
8.0
The Mighty Nein
as Caleb (voice) • 8 eps
2025 Series
5.6
LEGO Marvel Avengers: Strange Tails
as Doctor Strange (voice) / Red Skull (voice) • 1 eps
2025 Series
Age of Umbra
as Skreev • 8 eps
2025 Series
Daggerheart
as Xarlo Grandall • 9 eps
2024 Series
MOONWARD
as Walden Orlock • 4 eps
2024 Series
Fireside Chat
as Self • 2 eps
2024 Series
9.0
Critical Role Cooldown
as Self • 55 eps
2024 Series
Critical Role Abridged
as Orym • 122 eps
2024 Series
8.0
Candela Obscura
as Cosmo Grimm • 3 eps
2023 Series
4.6
Star Wars: Young Jedi Adventures
as Master Estala Maru (voice) • 2 eps
2023 Series
7.6
Dirty Laundry
as Self - Guest • 1 eps
2022 Series
7.0
4-Sided Dive
as Self • 14 eps
2022 Series
8.2
The Legend of Vox Machina
as Vax'ildan (voice) • 36 eps
2022 Series
4.0
Exandria Unlimited
as Orym, of the Air Ashari • 8 eps
2021 Series
8.2
Star Wars: The Bad Batch
as Bolo / Tactical Droid (voice) • 1 eps
2021 Series
7.8
DOTA: Dragon's Blood
as Nikdo / Bandit #1 / Bandit #4 (voice) • 1 eps
2021 Series
Crit Recap Animated
as Caleb Widowgast (voice) • 10 eps
2020 Series
7.0
Narrative Telephone
as Self • 24 eps
2020 Series
9.5
Um, Actually...
as Self - Contestant • 1 eps
2018 Series
9.0
Between the Sheets
as Self • 1 eps
2018 Series
9.0
Critical Role: The Mighty Nein
as Caleb Widogast • 145 eps
2018 Series
8.0
Sagas of Sundry
as Emmett Markham • 8 eps
2017 Series
1.0
CelebriD&D
as Vax'ildan • 1 eps
2015 Series
7.9
Critical Role
as Orym, of the Air Ashari • 121 eps
2015 Series