Liam O'Brien
Acting
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]
As actor 58
Regular Show
2010
Phineas and Ferb
2007
The Legend of Vox Machina
2022
Critical Role
2015
Sofia the First
2013
Marvel's Avengers
2013
Star Wars: The Bad Batch
2021
Star Wars Rebels
2014
Candela Obscura
2023
Um, Actually...
2018
Star Wars: Young Jedi Adventures
2023
Weird Kids
2025
DOTA: Dragon's Blood
2021
Critical Role Cooldown
2024
LEGO Marvel Avengers: Strange Tails
2025
The Mighty Nein
2025
Carmen Sandiego
2019
Dirty Laundry
2022
G.I. Joe: Renegades
2010
Critical Role Abridged
2024
Daggerheart
2024
Wolverine and the X-Men
2009
Fireside Chat
2024
Age of Umbra
2025
Planet Hulk
2010
Descendants of Darkness
2000
LEGO Marvel Avengers: Code Red
2023
Sagas of Sundry
2017
4-Sided Dive
2022
Narrative Telephone
2020
Exandria Unlimited
2021
Phineas and Ferb: Mission Marvel
2013
Afro Samurai: Resurrection
2009
Between the Sheets
2018
JLA Adventures: Trapped in Time
2014
Tale Gate
2026
Iron Man & Hulk: Heroes United
2013
Iron Man & Captain America: Heroes United
2014
Carmen Sandiego: To Steal or Not to Steal
2020
MOONWARD
2024
Game On!
2012
Hulk: Where Monsters Dwell
2016
Crit Recap Animated
2020
CelebriD&D
2015
Ginger & Snapper
2016
Star Wars Rebels: Spark of Rebellion
2014
Critical Role Live: Oaths & Ash
2025
The Dragon King
Between the Sheets - Critical Role
2018
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
2018
Critical Role Live: Jester and Fjord's Wedding
2025
The Phoenix Incident
2015
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
2025
Wolverine and the X-Men: Fate of the Future
2010
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
2025
Adventures in Voice Acting
2008
Adventure Never Ends: A Tabletop Saga
2023
Everstar
2015