Personal Info
Known For
Acting
Gender
Male
Birthday
5/28/1976
Place of Birth
Belleville, New Jersey, USA
Also Known As
Liam O'Brien
Biography
Known For
Planet Hulk
as Hiroim (voice)
Iron Man & Captain America: Heroes United
as The Red Skull (voice)
LEGO Marvel Avengers: Code Red
as Red Skull / Hydra Goon 2 (voice)
Iron Man & Hulk: Heroes United
as The Red Skull (voice)
Phineas and Ferb: Mission Marvel
as Red Skull (voice)
Carmen Sandiego: To Steal or Not to Steal
as Professor Maelstrom / Diplomat / Guard 2 (voice)
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
as Doctor Strange (voice)
JLA Adventures: Trapped in Time
as Aquaman / Batwing Computer (voice)
The Phoenix Incident
as Jacob Reynolds
Afro Samurai: Resurrection
as Shichogoro (voice)
Brave Story
as Ishioka Young Bishop (English version, voice)
Wolverine and the X-Men: Fate of the Future
as Kurt Wagner / Nightcrawler (voice) (archive footage)
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
Hulk: Where Monsters Dwell
as Doctor Strange (voice)
The Spirit of '76
as Rodney Snodgrass
Everstar
as Paxley (voice)
Adventures in Voice Acting
as Self
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall
as Caleb Widogast
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
as Orym, of the Air Ashari
Critical Role: Oaths & Ash
as Orym, of the Air Ashari
Career Timeline
2025
The Mighty Nein
as Caleb (voice)
LEGO Marvel Avengers: Strange Tails
as Doctor Strange (voice) / Red Skull (voice)
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall
as Caleb Widogast
Critical Role: Oaths & Ash
as Orym, of the Air Ashari
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud
as Orym, of the Air Ashari
Critical Role Live: Tag Team at the Teeth – The Misty Ascent
as Caleb Widogast
Age of Umbra
as Skreev
2024
2023
2022
2021
Exandria Unlimited
as Orym, of the Air Ashari
Exandria Unlimited
as Erro Mordaurum
Star Wars: The Bad Batch
as Bolo / Captured Falleen / Raney (voice)
Star Wars: The Bad Batch
as Bolo / Tactical Droid (voice)
Star Wars: The Bad Batch
as Bolo / Scrapper (voice)
Star Wars: The Bad Batch
as Bolo (voice)
Star Wars: The Bad Batch
as Bolo / Pyke (voice)
Star Wars: The Bad Batch
as Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice)
Star Wars: The Bad Batch
as Devaronian Captain / Pyke (voice)
DOTA: Dragon's Blood
as Nikdo / Bandit #1 / Bandit #4 (voice)
2020
2018
2015
2014
Star Wars Rebels
as Commander (voice)
Star Wars Rebels
as Lt. Lyste / Stormtrooper Squad Leader (voice)
Star Wars Rebels
as Lt. Lyste / Morad Sumar (voice)
Star Wars Rebels
as Deck Officer / Imperial Tech / Lieutenant Lyste (voice)
Star Wars Rebels: Spark of Rebellion
as Yogar Lyste/ Morad Sumar/ Vendor 1
Iron Man & Captain America: Heroes United
as The Red Skull (voice)
JLA Adventures: Trapped in Time
as Aquaman / Batwing Computer (voice)