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Liam O'Brien

Born: 1976-05-28

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]

Regular Show
Regular Show
2010★ 8.6
Phineas and Ferb
Phineas and Ferb
2007★ 7.9
The Legend of Vox Machina
The Legend of Vox Machina
2022★ 8.2
Star Wars Rebels
Star Wars Rebels
2014★ 7.7
Star Wars Rebels
Star Wars Rebels
2014★ 7.7
Star Wars Rebels
Star Wars Rebels
2014★ 7.7
Star Wars Rebels
Star Wars Rebels
2014★ 7.7
Sofia the First
Sofia the First
2013★ 7.2
Critical Role
Critical Role
2015★ 7.9
Critical Role
Critical Role
2015★ 7.9
Critical Role
Critical Role
2015★ 7.9
Critical Role
Critical Role
2015★ 7.9
Marvel
Marvel's Avengers
2013★ 7.5
Marvel
Marvel's Avengers
2013★ 7.5
Marvel
Marvel's Avengers
2013★ 7.5
Star Wars: Young Jedi Adventures
Star Wars: Young Jedi Adventures
2023★ 4.6
Star Wars: Young Jedi Adventures
Star Wars: Young Jedi Adventures
2023★ 4.6
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
Star Wars: The Bad Batch
Star Wars: The Bad Batch
2021★ 8.2
The Mighty Nein
The Mighty Nein
2025★ 7.9
DOTA: Dragon
DOTA: Dragon's Blood
2021★ 7.7
Um, Actually...
Um, Actually...
2018★ 9.5
G.I. Joe: Renegades
G.I. Joe: Renegades
2010★ 7.2
Dirty Laundry
Dirty Laundry
2022★ 7.6
Critical Role Abridged
Critical Role Abridged
2024NR
Critical Role Cooldown
Critical Role Cooldown
2024★ 9.0
LEGO Marvel Avengers: Strange Tails
LEGO Marvel Avengers: Strange Tails
2025★ 6.1
Phineas and Ferb: Mission Marvel
Phineas and Ferb: Mission Marvel
2013★ 6.6
LEGO Marvel Avengers: Code Red
LEGO Marvel Avengers: Code Red
2023★ 6.5
Iron Man & Captain America: Heroes United
Iron Man & Captain America: Heroes United
2014★ 6.5
Afro Samurai: Resurrection
Afro Samurai: Resurrection
2009★ 6.9
Critical Role: The Mighty Nein
Critical Role: The Mighty Nein
2018★ 9.0
Iron Man & Hulk: Heroes United
Iron Man & Hulk: Heroes United
2013★ 5.9
JLA Adventures: Trapped in Time
JLA Adventures: Trapped in Time
2014★ 6.6
Hulk: Where Monsters Dwell
Hulk: Where Monsters Dwell
2016★ 6.6
Descendants of Darkness
Descendants of Darkness
2000★ 6.1
Planet Hulk
Planet Hulk
2010★ 7.1
4-Sided Dive
4-Sided Dive
2022★ 7.0
Wolverine and the X-Men
Wolverine and the X-Men
2009★ 7.5
Candela Obscura
Candela Obscura
2023★ 8.0
Candela Obscura
Candela Obscura
2023★ 8.0
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
2018★ 6.0
Exandria Unlimited
Exandria Unlimited
2021★ 4.0
Exandria Unlimited
Exandria Unlimited
2021★ 4.0
Star Wars Rebels: Spark of Rebellion
Star Wars Rebels: Spark of Rebellion
2014★ 7.3
Sagas of Sundry
Sagas of Sundry
2017★ 8.0
Narrative Telephone
Narrative Telephone
2020★ 7.0
Narrative Telephone
Narrative Telephone
2020★ 7.0
CelebriD&D
CelebriD&D
2015★ 1.0
Crit Recap Animated
Crit Recap Animated
2020NR
Crit Recap Animated
Crit Recap Animated
2020NR
Age of Umbra
Age of Umbra
2025NR
Between the Sheets
Between the Sheets
2018★ 9.0
Adventures in Voice Acting
Adventures in Voice Acting
2008★ 10.0
MOONWARD
MOONWARD
2024NR
Carmen Sandiego: To Steal or Not to Steal
Carmen Sandiego: To Steal or Not to Steal
2020★ 6.5
The Dragon King
The Dragon King
NR
The Phoenix Incident
The Phoenix Incident
2015★ 5.1
Critical Role Live: Oaths & Ash
Critical Role Live: Oaths & Ash
2025NR
Wolverine and the X-Men: Fate of the Future
Wolverine and the X-Men: Fate of the Future
2010★ 6.7
Daggerheart
Daggerheart
2024NR
Fireside Chat
Fireside Chat
2024NR
Adventure Never Ends: A Tabletop Saga
Adventure Never Ends: A Tabletop Saga
2023NR
Game On!
Game On!
2012NR
Everstar
Everstar
2015★ 3.0
Critical Role Live: Jester and Fjord
Critical Role Live: Jester and Fjord's Wedding
2025NR
Ginger & Snapper
Ginger & Snapper
2016NR
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
2025NR
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
2025NR
Dispatch
Dispatch
2025NR
The Legend of Vox Machina Season 3 - Special Screening
The Legend of Vox Machina Season 3 - Special Screening
2024NR
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