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]

Personal Facts

Known For

Acting

Gender

male

Known Credits

39

Birth Date

1976-05-28 00:00:00

Birth Place

Belleville, New Jersey, USA

Known For

• 

  The Legend of Vox Machina
• 

  The Mighty Nein
• 

  Hulk: Where Monsters Dwell
• Ginger & Snapper
• 

  Planet Hulk
• 

  Everstar

Credits

• production (2 credits)

  • The Mighty Nein

    executive producer

    production

    - The Zadash Job (2025) ... executive producer production

    - Belonging (2025) ... executive producer production

    - Many Gifts (2025) ... executive producer production

    - Little Spark (2025) ... executive producer production

    - The Mighty Nein (2025) ... executive producer production
    2025
  • The Legend of Vox Machina

    executive producer

    production

    - Souls in Darkness (2024) ... executive producer production

    - Deadly Echoes (2024) ... executive producer production

    - To the Ends of the World (2024) ... executive producer production

    - Thordak (2024) ... executive producer production

    - The Siege of Emon (2024) ... executive producer production
    2022

• actors (34 credits)

  • The Mighty Nein

    Caleb (voice)

    actor

    actors

    - The Zadash Job (2025) ... Caleb (voice) actor actors

    - Belonging (2025) ... Caleb (voice) actor actors

    - Many Gifts (2025) ... Caleb (voice) actor actors

    - Little Spark (2025) ... Caleb (voice) actor actors

    - The Mighty Nein (2025) ... Caleb (voice) actor actors
    2025
  • Critical Role Live: Jester and Fjord's Wedding

    Caleb Widogast

    actor

    actors
    2025
  • Critical Role Live: Oaths & Ash

    Orym, of the Air Ashari

    actor

    actors
    2025
  • Critical Role Live: Tag Team at the Teeth – Beyond the Shroud

    Orym, of the Air Ashari

    actor

    actors
    2025
  • Critical Role Live: Tag Team at the Teeth – The Misty Ascent

    Caleb Widogast

    actor

    actors
    2025
  • LEGO Marvel Avengers: Strange Tails

    - Part 2 (2025) ... Doctor Strange (voice) / Red Skull (voice) actor actors
    2025
  • LEGO Marvel Avengers: Code Red

    Red Skull / Hydra Goon 2 (voice)

    actor

    actors
    2023
  • Adventure Never Ends: A Tabletop Saga

    Self

    actor

    actors
    2023
  • Star Wars: Young Jedi Adventures

    - Mine and Ours / The Andraven Circuit (2024) ... Onderrs (voice) actor actors

    - The Prince and the Pirate (2024) ... Master Estala Maru (voice) actor actors

    - Stuck in the Muck / Junkyard Sleepover (2023) ... Master Estala Maru (voice) actor actors
    2023
  • The Legend of Vox Machina

    Vax'ildan (voice)

    actor

    actors

    - Episode 6 (2026) ... Vax'ildan (voice) actor actors

    - Episode 5 (2026) ... Vax'ildan (voice) actor actors

    - Episode 4 (2026) ... Vax'ildan (voice) actor actors

    - Episode 3 (2026) ... Vax'ildan (voice) actor actors

    - Episode 2 (2026) ... Vax'ildan (voice) actor actors
    2022
  • Star Wars: The Bad Batch

    - Infested (2021) ... Bolo / Pyke (voice) actor actors

    - Common Ground (2021) ... Bolo (voice) actor actors

    - Battle Scars (2021) ... Bolo / Scrapper (voice) actor actors

    - Decommissioned (2021) ... Bolo / Tactical Droid (voice) actor actors

    - Rampage (2021) ... Bolo / Captured Falleen / Raney (voice) actor actors
    2021
  • Carmen Sandiego: To Steal or Not to Steal

    Professor Maelstrom / Diplomat / Guard 2 (voice)

    actor

    actors
    2020
  • LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda

    Doctor Strange (voice)

    actor

    actors
    2018
  • Critical Role: The Mighty Nein

    Caleb Widogast

    actor

    actors

    - The Mighty Nein Reunion: Echoes of the Solstice (2023) ... Caleb Widogast actor actors

    - The Mighty Nein Reunited Part 2 - Uk'otoa Unleashed (2022) ... Caleb Widogast actor actors

    - The Mighty Nein Reunited Part 1 - Unfinished Business (2022) ... Caleb Widogast actor actors

    - Campaign 2 Wrap-Up (2021) ... Caleb Widogast actor actors

    - Fond Farewells (2021) ... Caleb Widogast actor actors
    2018
  • Ginger & Snapper

    Snapper (voice)

    actor

    actors
    2016
  • Hulk: Where Monsters Dwell

    Doctor Strange (voice)

    actor

    actors
    2016
  • Everstar

    Paxley (voice)

    actor

    actors
    2015
  • The Phoenix Incident

    Jacob Reynolds

    actor

    actors
    2015
  • Critical Role

    Halandil "Hal" Fang

    actor

    actors

    - Episode 26 (2026) ... Halandil "Hal" Fang actor actors

    - Targeted (2026) ... Halandil "Hal" Fang actor actors

    - Good Tidings (2026) ... Halandil "Hal" Fang actor actors

    - Buried Truths (2026) ... Halandil "Hal" Fang actor actors

    - The Point of No Return (2026) ... Halandil "Hal" Fang actor actors
    2015
  • Star Wars Rebels: Spark of Rebellion

    Yogar Lyste/ Morad Sumar/ Vendor 1

    actor

    actors
    2014
  • Iron Man & Captain America: Heroes United

    The Red Skull (voice)

    actor

    actors
    2014
  • JLA Adventures: Trapped in Time

    Aquaman / Batwing Computer (voice)

    actor

    actors
    2014
  • Star Wars Rebels

    - A Princess on Lothal (2016) ... Lt. Lyste / Stormtrooper Squad Leader (voice) actor actors

    - Breaking Ranks (2014) ... Commander (voice) actor actors
    2014
  • Iron Man & Hulk: Heroes United

    The Red Skull (voice)

    actor

    actors
    2013
  • Phineas and Ferb: Mission Marvel

    Red Skull (voice)

    actor

    actors
    2013
  • Marvel's Avengers

    - The Eye of Agamotto (2) (2018) ... Doctor Strange (voice) actor actors

    - Ghosts of the Past (2014) ... Red Skull / Commuter (voice) actor actors

    - Blood Feud (2013) ... Red Skull (voice) actor actors
    2013
  • Sofia the First

    - Finding Clover (2013) ... Boswell (voice) actor actors
    2013
  • Planet Hulk

    Hiroim (voice)

    actor

    actors
    2010
  • Wolverine and the X-Men: Fate of the Future

    Kurt Wagner / Nightcrawler (voice) (archive footage)

    actor

    actors
    2010
  • Regular Show

    - Gold Watch (2014) ... Tango (voice) actor actors
    2010
  • Afro Samurai: Resurrection

    Shichogoro (voice)

    actor

    actors
    2009
  • Wolverine and the X-Men

    Kurt Wagner (voice)

    actor

    actors

    - Foresight (3) (2009) ... Kurt Wagner (voice) actor actors

    - Foresight (2) (2009) ... Kurt Wagner (voice) actor actors

    - Foresight (1) (2009) ... Kurt Wagner (voice) actor actors

    - Shades of Grey (2009) ... Kurt Wagner (voice) actor actors

    - Aces and Eights (2009) ... Kurt Wagner (voice) actor actors
    2009
  • Adventures in Voice Acting

    Self

    actor

    actors
    2008
  • Phineas and Ferb

    - Phineas and Ferb: Mission Marvel (2013) ... Red Skull (voice) actor actors
    2007

• creators (2 credits)

  • Critical Role: The Mighty Nein

    creator

    creators
    2018
  • Critical Role

    creator

    creators
    2015

• writing (1 credits)

  • The Legend of Vox Machina

    - The Coming Storm (2024) ... writer writing
    2022