Liam O'Brien

Liam O'Brien

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
Acting
Gender
Male
Birthday
28 May 1976
Place of Birth
Belleville, New Jersey, USA
Also Known As
Liam O'Brian, William Markham, Christopher Liam O'Brien, Liam Christopher O'Brien

MEDIA

Example 1

FILMOGRAPHY

Star Wars Rebels: Spark of Rebellion

Star Wars Rebels: Spark of Rebellion

2014-10-03Actor
Wolverine and the X-Men: Fate of the Future

Wolverine and the X-Men: Fate of the Future

2010-02-01Actor
LEGO Marvel Avengers: Code Red

LEGO Marvel Avengers: Code Red

2023-10-26Actor
The Spirit of '76

The Spirit of '76

1990-10-12Actor
Adventure Never Ends: A Tabletop Saga

Adventure Never Ends: A Tabletop Saga

2023-04-11Actor
Iron Man & Captain America: Heroes United

Iron Man & Captain America: Heroes United

2014-07-29Actor
Iron Man & Hulk: Heroes United

Iron Man & Hulk: Heroes United

2013-12-03Actor
Afro Samurai: Resurrection

Afro Samurai: Resurrection

2009-10-16Actor
JLA Adventures: Trapped in Time

JLA Adventures: Trapped in Time

2014-01-21Actor
Planet Hulk

Planet Hulk

2010-02-02Actor
The Phoenix Incident

The Phoenix Incident

2015-06-16Actor
Ginger & Snapper

Ginger & Snapper

2016-11-01Actor
Everstar

Everstar

2015-11-05Actor
Hulk: Where Monsters Dwell

Hulk: Where Monsters Dwell

2016-10-21Actor
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda

LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda

2018-06-04Actor
Phineas and Ferb: Mission Marvel

Phineas and Ferb: Mission Marvel

2013-08-16Actor
Carmen Sandiego: To Steal or Not to Steal

Carmen Sandiego: To Steal or Not to Steal

2020-03-10Actor
Adventures in Voice Acting

Adventures in Voice Acting

2008-07-03Actor
Brave Story

Brave Story

2006-05-22Actor
Critical Role Live: Tag Team at the Teeth – The Misty Ascent

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

2025-06-19Actor
Critical Role Live: Tag Team at the Teeth – Beyond the Shroud

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

2025-06-25Actor
Critical Role: Oaths & Ash

Critical Role: Oaths & Ash

2025-08-05Actor
Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall

Critical Role: Jester and Fjord's Wedding – Live from Radio City Music Hall

2025-10-15Actor
DOTA: Dragon's Blood

DOTA: Dragon's Blood

2021-03-25Actor
Descendants of Darkness

Descendants of Darkness

2000-10-02Actor
Star Wars: The Bad Batch

Star Wars: The Bad Batch

2021-05-04Actor
CelebriD&D

CelebriD&D

2015-10-19Actor
Um, Actually...

Um, Actually...

2018-09-28Actor
The Legend of Vox Machina

The Legend of Vox Machina

2022-01-27Actor, Executive Producer, Writer
Sagas of Sundry

Sagas of Sundry

2017-06-29Actor
Wolverine and the X-Men

Wolverine and the X-Men

2009-01-23Actor
Dirty Laundry

Dirty Laundry

2022-04-11Actor
Phineas and Ferb

Phineas and Ferb

2007-08-17Actor
Star Wars Rebels

Star Wars Rebels

2014-10-13Actor
Marvel's Avengers

Marvel's Avengers

2013-05-26Actor
Regular Show

Regular Show

2010-09-06Actor
Star Wars: Young Jedi Adventures

Star Wars: Young Jedi Adventures

2023-05-04Actor
Critical Role

Critical Role

2015-03-12Actor, Creator
Candela Obscura

Candela Obscura

2023-05-25Actor
Exandria Unlimited

Exandria Unlimited

2021-06-24Actor
Critical Role Cooldown

Critical Role Cooldown

2024-05-09Actor, Creator
Critical Role Abridged

Critical Role Abridged

2024-05-09Actor
Crit Recap Animated

Crit Recap Animated

2020-12-23Actor
4-Sided Dive

4-Sided Dive

2022-04-05Actor
Narrative Telephone

Narrative Telephone

2020-04-06Actor
MOONWARD

MOONWARD

2024-08-07Actor
Between the Sheets

Between the Sheets

2018-09-17Actor
Age of Umbra

Age of Umbra

2025-05-29Actor
G.I. Joe: Renegades

G.I. Joe: Renegades

2010-11-26Actor
Daggerheart

Daggerheart

2024-12-03Actor
The Mighty Nein

The Mighty Nein

2025-11-19Actor, Executive Producer
The Dragon King

The Dragon King

Critical Role: The Mighty Nein

Critical Role: The Mighty Nein

2018-01-11Actor, Creator
Fireside Chat

Fireside Chat

2024-05-21Actor
Sofia the First

Sofia the First

2013-01-11Actor
LEGO Marvel Avengers: Strange Tails

LEGO Marvel Avengers: Strange Tails

2025-11-14Actor
Dispatch

Dispatch

2025-10-22Actor
Game On!

Game On!

2012-01-15Actor
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