Acting

Liam O'Brien

Born: 1976-05-28
Birthplace: Belleville, New Jersey, USA

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

Filmography

59 titles · Newest first · Cast and crew credits

Tale Gate

2026 · TV Show

Self

Age of Umbra

2025 · TV Show

Skreev

Critical Role Live: Jester and Fjord's Wedding

2025 · Movie

Caleb Widogast

Critical Role Live: Oaths & Ash

2025 · Movie

Orym, of the Air Ashari

Critical Role Live: Tag Team at the Teeth – Beyond the Shroud

2025 · Movie

Orym, of the Air Ashari

Critical Role Live: Tag Team at the Teeth – The Misty Ascent

2025 · Movie

Caleb Widogast

LEGO Marvel Avengers: Strange Tails

2025 · TV Show

Doctor Strange / Red Skull (voice)

The Mighty Nein

2025 · TV Show

Caleb (voice) · Executive Producer

Weird Kids

2025 · TV Show

McTuff (voice)

Critical Role Abridged

2024 · TV Show

Orym, of the Air Ashari

Critical Role Cooldown

2024 · TV Show

Self · Creator

Daggerheart

2024 · TV Show

Xarlo Grandall

Fireside Chat

2024 · TV Show

Self

MOONWARD

2024 · TV Show

Walden Orlock

Adventure Never Ends: A Tabletop Saga

2023 · Movie

Self

Candela Obscura

2023 · TV Show

Cosmo Grimm · Game Master

LEGO Marvel Avengers: Code Red

2023 · Movie

Red Skull / Hydra Goon 2 (voice)

Star Wars: Young Jedi Adventures

2023 · TV Show

Master Estala Maru (voice) · Onderrs (voice)

4-Sided Dive

2022 · TV Show

Self

Dirty Laundry

2022 · TV Show

Self - Guest

The Legend of Vox Machina

2022 · TV Show

Vax'ildan (voice) · Executive Producer · Writer

DOTA: Dragon's Blood

2021 · TV Show

Nikdo / Bandit #1 / Bandit #4 (voice)

Exandria Unlimited

2021 · TV Show

Orym, of the Air Ashari · Erro Mordaurum

Star Wars: The Bad Batch

2021 · TV Show

Bolo / Captured Falleen / Raney (voice) · Bolo / Tactical Droid (voice) · Bolo / Scrapper (voice) · Bolo (voice) · Bolo / Pyke (voice) · Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice) · Devaronian Captain / Pyke (voice)

Carmen Sandiego: To Steal or Not to Steal

2020 · Movie

Professor Maelstrom / Diplomat / Guard 2 (voice)

Crit Recap Animated

2020 · TV Show

Orym, of the Air Ashari (voice) · Caleb Widowgast (voice)

Narrative Telephone

2020 · TV Show

Self · Self - Storyteller

Carmen Sandiego

2019 · TV Show

Professor Maelstrom / Vlad / Boris / Others (voice)

All Work No Play

2018 · TV Show

Self · Creator

Between the Sheets

2018 · TV Show

Self

Between the Sheets - Critical Role

2018 · TV Show

Self

LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda

2018 · Movie

Doctor Strange (voice)

Um, Actually...

2018 · TV Show

Self - Contestant

Sagas of Sundry

2017 · TV Show

Emmett Markham

Ginger & Snapper

2016 · Movie

Snapper (voice)

Hulk: Where Monsters Dwell

2016 · Movie

Doctor Strange (voice)

CelebriD&D

2015 · TV Show

Vax'ildan

Critical Role

2015 · TV Show

Vax'ildan Vessar · Orym, of the Air Ashari · Caleb Widogast · Halandil "Hal" Fang · Creator

Everstar

2015 · Movie

Paxley (voice)

The Phoenix Incident

2015 · Movie

Jacob Reynolds

Iron Man & Captain America: Heroes United

2014 · Movie

The Red Skull (voice)

JLA Adventures: Trapped in Time

2014 · Movie

Aquaman / Batwing Computer (voice)

Star Wars Rebels

2014 · TV Show

Commander (voice) · Lt. Lyste / Stormtrooper Squad Leader (voice) · Lt. Lyste / Morad Sumar (voice) · Deck Officer / Imperial Tech / Lieutenant Lyste (voice)