• BIRTH 28/05/1976
  • Country United States
  • SHOWS 27
  • MOVIES 13
  • SHOWRUNNER 2
  • SCRIPT 1
Home → Shows → Liam O'Brien

Liam O'Brien

Video thumbnail

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]

Liam O'Brien
News Shows Movies showrunner Partners

Shows (27)

The Legend of Vox Machina
The Legend of Vox Machina
Self / Vax'ildan (voice)
2022
The Mighty Nein
The Mighty Nein
(voice) / Caleb (voice) / Caleb Widogast (voice)
2025
Star Wars: The Bad Batch
Star Wars: The Bad Batch
Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice) / Bolo (voice) / Bolo / Captured Falleen / Raney (voice) / Bolo / Pyke (voice) / Bolo / Scrapper (voice) / Bolo / Tactical Droid (voice) / Devaronian Captain / Pyke (voice)
2021
Star Wars Rebels
Star Wars Rebels
Commander (voice) / Deck Officer / Imperial Tech / Lieutenant Lyste (voice) / Lt. Lyste / Morad Sumar (voice) / Lt. Lyste / Stormtrooper Squad Leader (voice)
2014
Phineas and Ferb
Phineas and Ferb
Red Skull (voice)
2007
DOTA: Dragon's Blood
DOTA: Dragon's Blood
Nikdo / Bandit #1 / Bandit #4 (voice)
2021
Marvel's Avengers Assemble
Marvel's Avengers Assemble
Doctor Strange (voice) / Red Skull (voice) / Red Skull / Commuter (voice)
2013
Regular Show
Regular Show
Tango (voice)
2010
Carmen Sandiego
Carmen Sandiego
Professor Maelstrom / Vlad / Boris / Others (voice)
2019
Wolverine and the X-Men
Wolverine and the X-Men
Kurt Wagner (voice)
2009
Sofia the First
Sofia the First
Boswell (voice)
2013
Star Wars: Young Jedi Adventures
Star Wars: Young Jedi Adventures
Master Estala Maru (voice) / Onderrs (voice)
2023
Critical Role
Critical Role
Caleb Widogast / Orym / Vax'ildan
2015
LEGO Marvel Avengers: Strange Tails
LEGO Marvel Avengers: Strange Tails
Doctor Strange / Red Skull (voice)
2025
Critical Role Cooldown
Critical Role Cooldown
Self / Vincent Locke (voice)
2024
Dirty Laundry (2022)
Dirty Laundry (2022)
Self - Guest
2022
Descendants of Darkness
Descendants of Darkness
(voice)
2000
G.I. Joe Renegades
G.I. Joe Renegades
Captain Anatoly Krimov/Red Star/German CEO (voice)
2010
Um, Actually...
Um, Actually...
Self - Contestant
2018
Tale Gate
Tale Gate
Self
2026
Exandria Unlimited
Exandria Unlimited
Orym
2021
4-Sided Dive
4-Sided Dive
Self
2022
Narrative Telephone
Narrative Telephone
Self
2020
Moonward
Moonward
Walden Orlock
2024
Daggerheart
Daggerheart
Xarlo Grandall
2024
Age of Umbra
Age of Umbra
Skreev
2025
All Work No Play
All Work No Play
Self
2012

Movies (13)

Star Wars Rebels: Spark of Rebellion
Star Wars Rebels: Spark of Rebellion
Yogar Lyste/ Morad Sumar/ Vendor 1
2014
Afro Samurai: Resurrection
Afro Samurai: Resurrection
Shichogoro (voice)
2009
Iron Man & Hulk: Heroes United
Iron Man & Hulk: Heroes United
The Red Skull (voice)
2013
LEGO Marvel Avengers: Code Red
LEGO Marvel Avengers: Code Red
Red Skull / Hydra Goon 2 (voice)
2023
Planet Hulk
Planet Hulk
Hiroim (voice)
2010
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
LEGO Marvel Super Heroes: Black Panther -…
Doctor Strange (voice)
2018
Phineas and Ferb: Mission Marvel
Phineas and Ferb: Mission Marvel
Red Skull (voice)
2013
Hulk: Where Monsters Dwell
Hulk: Where Monsters Dwell
Doctor Strange (voice)
2016
Iron Man & Captain America: Heroes United
Iron Man & Captain America: Heroes United
The Red Skull (voice)
2014
Carmen Sandiego: To Steal or Not to Steal
Carmen Sandiego: To Steal or Not to Steal
Professor Maelstrom / Diplomat / Guard 2 (voice)
2020
Wolverine and the X-Men: Fate of the Future
Wolverine and the X-Men: Fate of the Future
Kurt Wagner / Nightcrawler (voice) (archive footage)
2010
JLA Adventures: Trapped in Time
JLA Adventures: Trapped in Time
Aquaman / Batwing Computer (voice)
2014
The Phoenix Incident
The Phoenix Incident
Jacob Reynolds
2015

Showrunner (2)

Critical Role Cooldown
Critical Role Cooldown
2024
All Work No Play
All Work No Play
2012

Script

The Legend of Vox Machina
The Legend of Vox Machina
2022
(2 episodes)

BetaSeries is the reference application for series fans who watch streaming platforms. Download the application for free, fill in the series you like, and receive instant recommendations.

© 2026 BetaSeries - All external content remains the property of the rightful owner.