Liam O'Brien

Acting

Liam O'Brien

Born May 28, 1976Belleville, New Jersey, USA55 credits

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

The Mighty Nein

The Mighty Nein

TV

2025

LEGO Marvel Avengers: Strange Tails

LEGO Marvel Avengers: Strange Tails

TV

2025

Critical Role Live: Jester and Fjord's Wedding

Critical Role Live: Jester and Fjord's Wedding

Movie

2025

Critical Role Live: Oaths & Ash

Critical Role Live: Oaths & Ash

Movie

2025

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

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

Movie

2025

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

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

Movie

2025

Filmography

The Mighty Nein

2025The Mighty Neinas Caleb (voice)TV

LEGO Marvel Avengers: Strange Tails

2025LEGO Marvel Avengers: Strange Tailsas Doctor Strange (voice) / Red Skull (voice)TV

Critical Role Live: Jester and Fjord's Wedding

2025Critical Role Live: Jester and Fjord's Weddingas Caleb WidogastMovie

Critical Role Live: Oaths & Ash

2025Critical Role Live: Oaths & Ashas Orym, of the Air AshariMovie

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

2025Critical Role Live: Tag Team at the Teeth – Beyond the Shroudas Orym, of the Air AshariMovie

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

2025Critical Role Live: Tag Team at the Teeth – The Misty Ascentas Caleb WidogastMovie

Age of Umbra

2025Age of Umbraas SkreevTV

Daggerheart

2024Daggerheartas Xarlo GrandallTV

MOONWARD

2024MOONWARDas Walden OrlockTV

Fireside Chat

2024Fireside Chatas SelfTV

Critical Role Abridged

2024Critical Role Abridgedas Orym, of the Air AshariTV

Critical Role Cooldown

2024Critical Role Cooldownas SelfTV

LEGO Marvel Avengers: Code Red

2023LEGO Marvel Avengers: Code Redas Red Skull / Hydra Goon 2 (voice)Movie

Candela Obscura

2023Candela Obscuraas Cosmo GrimmTV

Star Wars: Young Jedi Adventures

2023Star Wars: Young Jedi Adventuresas Master Estala Maru (voice)TV

Adventure Never Ends: A Tabletop Saga

2023Adventure Never Ends: A Tabletop Sagaas SelfMovie

Dirty Laundry

2022Dirty Laundryas Self - GuestTV

4-Sided Dive

20224-Sided Diveas SelfTV

The Legend of Vox Machina

2022The Legend of Vox Machinaas Vax'ildan (voice)TV

Exandria Unlimited

2021Exandria Unlimitedas Orym, of the Air AshariTV

Star Wars: The Bad Batch

2021Star Wars: The Bad Batchas Bolo / Captured Falleen / Raney (voice)TV

DOTA: Dragon's Blood

2021DOTA: Dragon's Bloodas Nikdo / Bandit #1 / Bandit #4 (voice)TV

Crit Recap Animated

2020Crit Recap Animatedas Caleb Widowgast (voice)TV

Narrative Telephone

2020Narrative Telephoneas SelfTV

Carmen Sandiego: To Steal or Not to Steal

2020Carmen Sandiego: To Steal or Not to Stealas Professor Maelstrom / Diplomat / Guard 2 (voice)Movie

Um, Actually...

2018Um, Actually...as Self - ContestantTV

Between the Sheets

2018Between the Sheetsas SelfTV

LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda

2018LEGO Marvel Super Heroes: Black Panther - Trouble in Wakandaas Doctor Strange (voice)Movie

Critical Role: The Mighty Nein

2018Critical Role: The Mighty Neinas Caleb WidogastTV

Sagas of Sundry

2017Sagas of Sundryas Emmett MarkhamTV

2016Ginger & Snapperas Snapper (voice)Movie

Hulk: Where Monsters Dwell

2016Hulk: Where Monsters Dwellas Doctor Strange (voice)Movie

Everstar

2015Everstaras Paxley (voice)Movie

CelebriD&D

2015CelebriD&Das Vax'ildanTV

The Phoenix Incident

2015The Phoenix Incidentas Jacob ReynoldsMovie

Critical Role

2015Critical Roleas Vax'ildan VessarTV

Star Wars Rebels

2014Star Wars Rebelsas Commander (voice)TV

Star Wars Rebels: Spark of Rebellion

2014Star Wars Rebels: Spark of Rebellionas Yogar Lyste/ Morad Sumar/ Vendor 1Movie

Iron Man & Captain America: Heroes United

2014Iron Man & Captain America: Heroes Unitedas The Red Skull (voice)Movie

JLA Adventures: Trapped in Time

2014JLA Adventures: Trapped in Timeas Aquaman / Batwing Computer (voice)Movie

Iron Man & Hulk: Heroes United

2013Iron Man & Hulk: Heroes Unitedas The Red Skull (voice)Movie

Phineas and Ferb: Mission Marvel

2013Phineas and Ferb: Mission Marvelas Red Skull (voice)Movie

Marvel's Avengers

2013Marvel's Avengersas Red Skull / Commuter (voice)TV

Sofia the First

2013Sofia the Firstas Boswell (voice)TV

Game On!

2012Game On!as Self - GuestTV

G.I. Joe: Renegades

2010G.I. Joe: Renegadesas Captain Anatoly Krimov/Red Star/German CEO (voice)TV

Regular Show

2010Regular Showas Tango (voice)TV

Planet Hulk

2010Planet Hulkas Hiroim (voice)Movie

Wolverine and the X-Men: Fate of the Future

2010Wolverine and the X-Men: Fate of the Futureas Kurt Wagner / Nightcrawler (voice) (archive footage)Movie

Afro Samurai: Resurrection

2009Afro Samurai: Resurrectionas Shichogoro (voice)Movie

Wolverine and the X-Men

2009Wolverine and the X-Menas Kurt Wagner (voice)TV

Adventures in Voice Acting

2008Adventures in Voice Actingas SelfMovie

Phineas and Ferb

2007Phineas and Ferbas Red Skull (voice)TV

Descendants of Darkness

2000Descendants of Darknessas (voice)TV

—The Dragon KingTV