Also known as: Liam O'Brian · William Markham · Christopher Liam O'Brien · Liam Christopher O'Brien
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
8.6
TV
Regular Show
2010
8.1
TV
Star Wars: The Bad Batch
2021
7.9
TV
Phineas and Ferb
2007
7.7
TV
Star Wars Rebels
2014
8.2
TV
The Legend of Vox Machina
2022
7.5
TV
Marvel's Avengers
2013
7.1
Movie
Planet Hulk
2010
7.2
TV
Sofia the First
2013
7.7
TV
DOTA: Dragon's Blood
2021
7.6
TV
Wolverine and the X-Men
2009
6.6
Movie
JLA Adventures: Trapped in Time
2014
6.9
Movie
Afro Samurai: Resurrection
2009
Filmography(58)
58 titles across Movies & TV
0
TV
Tale Gate
2026
8.2
TV
The Mighty Nein
2025
6.4
TV
LEGO Marvel Avengers: Strange Tails
2025
0
Movie
Critical Role Live: Jester and Fjord's Wedding
2025
0
Movie
Critical Role Live: Oaths & Ash
2025
0
Movie
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
2025
0
Movie
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
2025
0
TV
Age of Umbra
2025
0
TV
Weird Kids
2025
0
TV
Daggerheart
2024
0
TV
MOONWARD
2024
0
TV
Fireside Chat
2024
0
TV
Critical Role Abridged
2024
9.0
TV
Critical Role Cooldown
2024
6.5
Movie
LEGO Marvel Avengers: Code Red
2023
7.3
TV
Candela Obscura
2023
4.6
TV
Star Wars: Young Jedi Adventures
2023
0
Movie
Adventure Never Ends: A Tabletop Saga
2023
7.5
TV
Dirty Laundry
2022
7.0
TV
4-Sided Dive
2022
8.2
TV
The Legend of Vox Machina
2022
4.8
TV
Exandria Unlimited
2021
8.1
TV
Star Wars: The Bad Batch
2021
7.7
TV
DOTA: Dragon's Blood
2021
0
TV
Crit Recap Animated
2020
7.0
TV
Narrative Telephone
2020
6.6
Movie
Carmen Sandiego: To Steal or Not to Steal
2020
7.9
TV
Carmen Sandiego
2019
8.8
TV
Um, Actually...
2018
9.0
TV
Between the Sheets
2018
6.0
Movie
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
