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Personal Info
Known For
Acting
Birthday
May 28, 1976
Place of Birth
Belleville, New Jersey, USA
Also Known As
- Liam O'Brian
- William Markham
- Christopher Liam O'Brien
- Liam Christopher O'Brien
Liam O'Brien
2.1 Popularity
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]
Known For
7.7
Caleb (voice)
The Mighty Nein
2025
5.0
Doctor Strange (voice) / Red Skull (voice)
LEGO Marvel Avengers: Strange Tails
2025
0.0
Lightningstruck
Dispatch
2025
0.0
Caleb Widogast
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall
2025
0.0
Orym, of the Air Ashari
Critical Role: Oaths & Ash
2025
0.0
Orym, of the Air Ashari
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
2025
0.0
Caleb Widogast
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
2025
0.0
Skreev
Age of Umbra
2025
0.0
Xarlo Grandall
Daggerheart
2024
0.0
Walden Orlock
MOONWARD
2024
Credits
The Mighty Nein
as Caleb (voice)
2025
7.7
LEGO Marvel Avengers: Strange Tails
as Doctor Strange (voice) / Red Skull (voice)
2025
5.0
Dispatch
as Lightningstruck
2025
0.0
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall
as Caleb Widogast
2025
0.0
Critical Role: Oaths & Ash
as Orym, of the Air Ashari
2025
0.0
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
as Orym, of the Air Ashari
2025
0.0
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
as Caleb Widogast
2025
0.0
Age of Umbra
as Skreev
2025
0.0
Daggerheart
as Xarlo Grandall
2024
0.0
MOONWARD
as Walden Orlock
2024
0.0
Fireside Chat
as Self
2024
0.0
Critical Role Abridged
as Orym
2024
0.0
Critical Role Cooldown
as Self
2024
9.0
LEGO Marvel Avengers: Code Red
as Red Skull / Hydra Goon 2 (voice)
2023
6.5
Candela Obscura
as Cosmo Grimm
2023
8.0
Candela Obscura
as Game Master
2023
8.0
Star Wars: Young Jedi Adventures
as Master Estala Maru (voice)
2023
4.6
Star Wars: Young Jedi Adventures
as Onderrs (voice)
2023
4.6
Adventure Never Ends: A Tabletop Saga
as Self
2023
0.0
Dirty Laundry
as Self - Guest
2022
7.6
4-Sided Dive
as Self
2022
7.0
The Legend of Vox Machina
as Vax'ildan (voice)
2022
8.2
Exandria Unlimited
as Orym, of the Air Ashari
2021
4.0
Exandria Unlimited
as Erro Mordaurum
2021
4.0
Star Wars: The Bad Batch
as Bolo / Captured Falleen / Raney (voice)
2021
8.2
Star Wars: The Bad Batch
as Bolo / Tactical Droid (voice)
2021
8.2
Star Wars: The Bad Batch
as Bolo / Scrapper (voice)
2021
8.2
Star Wars: The Bad Batch
as Bolo (voice)
2021
8.2
Star Wars: The Bad Batch
as Bolo / Pyke (voice)
2021
8.2
Star Wars: The Bad Batch
as Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice)
2021
8.2
Star Wars: The Bad Batch
as Devaronian Captain / Pyke (voice)
2021
8.2
DOTA: Dragon's Blood
as Nikdo / Bandit #1 / Bandit #4 (voice)
2021
7.8
Crit Recap Animated
as Orym, of the Air Ashari (voice)
2020
0.0
Crit Recap Animated
as Caleb Widowgast (voice)
2020
0.0
Narrative Telephone
as Self
2020
7.0
Narrative Telephone
as Self - Storyteller
2020
7.0
Carmen Sandiego: To Steal or Not to Steal
as Professor Maelstrom / Diplomat / Guard 2 (voice)
2020
6.5
Um, Actually...
as Self - Contestant
2018
9.5
Between the Sheets
as Self
2018
9.0
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
as Doctor Strange (voice)
2018
5.9
Critical Role: The Mighty Nein
as Caleb Widogast
2018
10.0
Sagas of Sundry
as Emmett Markham
2017
8.0
🎬
Ginger & Snapper
as Snapper (voice)
2016
0.0
Hulk: Where Monsters Dwell
as Doctor Strange (voice)
2016
6.6
Everstar
as Paxley (voice)
2015
3.0
CelebriD&D
as Vax'ildan
2015
1.0
The Phoenix Incident
as Jacob Reynolds
2015
5.1
Critical Role
as Vax'ildan Vessar
2015
7.8
Critical Role
as Orym, of the Air Ashari
2015
7.8
Critical Role
as Caleb Widogast
2015
7.8
Critical Role
as Halandil "Hal" Fang
2015
7.8
Star Wars Rebels
as Commander (voice)
2014
7.7
Star Wars Rebels
as Lt. Lyste / Stormtrooper Squad Leader (voice)
2014
7.7
Star Wars Rebels
as Lt. Lyste / Morad Sumar (voice)
2014
7.7
Star Wars Rebels
as Deck Officer / Imperial Tech / Lieutenant Lyste (voice)
2014
7.7
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
2014
7.3
Iron Man & Captain America: Heroes United
as The Red Skull (voice)
2014
6.5
JLA Adventures: Trapped in Time
as Aquaman / Batwing Computer (voice)
2014
6.6
Iron Man & Hulk: Heroes United
as The Red Skull (voice)
2013
5.9
Phineas and Ferb: Mission Marvel
as Red Skull (voice)
2013
6.6
Marvel's Avengers
as Red Skull / Commuter (voice)
2013
7.6
Marvel's Avengers
as Doctor Strange (voice)
2013
7.6
Marvel's Avengers
as Red Skull (voice)
2013
7.6
Sofia the First
as Boswell (voice)
2013
7.2
Game On!
as Self - Guest
2012
0.0
G.I. Joe: Renegades
as Captain Anatoly Krimov/Red Star/German CEO (voice)
2010
7.2
Regular Show
as Tango (voice)
2010
8.6
Planet Hulk
as Hiroim (voice)
2010
7.1
Wolverine and the X-Men: Fate of the Future
as Kurt Wagner / Nightcrawler (voice) (archive footage)
2010
6.7
Afro Samurai: Resurrection
as Shichogoro (voice)
2009
6.8
Wolverine and the X-Men
as Kurt Wagner (voice)
2009
7.5
Adventures in Voice Acting
as Self
2008
10.0
Phineas and Ferb
as Red Skull (voice)
2007
7.9
Brave Story
as Ishioka Young Bishop (English version, voice)
2006
6.3
Descendants of Darkness
as (voice)
2000
5.8
The Spirit of '76
as Rodney Snodgrass
1990
4.6
🎬
The Dragon King
N/A
0.0