Acting
Liam O'Brien
Also Known As: Liam O'Brian, William Markham, Christopher Liam O'Brien
Birth Date
May 28, 1976
(50 years old)
Place of Birth
Belleville, New Jersey, USA
Popularity
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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]
Photos
Regular Show
Tango (voice)
2010 • 1 episode
Phineas and Ferb
Red Skull (voice)
2007 • 1 episode
Critical Role
Orym, of the Air Ashari
2015 • 121 episodes
The Legend of Vox Machina
Vax'ildan (voice)
2022 • 48 episodes
Sofia the First
Boswell (voice)
2013 • 1 episode
Star Wars Rebels
Commander (voice)
2014 • 1 episode
Marvel's Avengers
Doctor Strange (voice)
2013 • 1 episode
Star Wars: The Bad Batch
Bolo / Tactical Droid (voice)
2021 • 1 episode
Star Wars: Young Jedi Adventures
Master Estala Maru (voice)
2023 • 2 episodes
Um, Actually...
Self - Contestant
2018 • 1 episode
DOTA: Dragon's Blood
Nikdo / Bandit #1 / Bandit #4 (voice)
2021 • 1 episode
Critical Role Cooldown
Self
2024 • 75 episodes
The Mighty Nein
Caleb (voice)
2025 • 8 episodes
Dirty Laundry
Self - Guest
2022 • 1 episode
G.I. Joe: Renegades
Captain Anatoly Krimov/Red Star/German CEO (voice)
2010 • 1 episode
Critical Role Abridged
Orym, of the Air Ashari
2024 • 123 episodes
Carmen Sandiego
Professor Maelstrom / Vlad / Boris / Others (voice)
2019 • 31 episodes
Candela Obscura
Cosmo Grimm
2023 • 3 episodes
Narrative Telephone
Self
2020 • 24 episodes
Weird Kids
McTuff (voice)
2025 • 1 episode