Liam O'Brien Movies, Biography, Credits & Career Highlights

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]

Liam O'Brien Career Highlights

Known for Regular Show, Phineas and Ferb, Critical Role, The Legend of Vox Machina, Sofia the First, and Star Wars Rebels.
Credits include actors, production, creator, and writing.
Recent listed credits include Tale Gate, The Mighty Nein, LEGO Marvel Avengers: Strange Tails, and Critical Role Live: Jester and Fjord's Wedding.

Liam O'Brien Personal Facts

Known For: Acting
Gender: male
Known Credits: 59
Birth Date: 1976-05-28 00:00:00
Birth Place: Belleville, New Jersey, USA

Liam O'Brien Known For

Liam O'Brien Movies and Credits

actors (8 credits)
- Tale Gate
  Self
  
  actor
  
  actors
  
  2026
- The Mighty Nein
  Caleb (voice)
  
  actor
  
  actors
  
  2025
- LEGO Marvel Avengers: Strange Tails
  Doctor Strange / Red Skull (voice)
  
  actor
  
  actors
  
  2025
- Critical Role Live: Jester and Fjord's Wedding
  Caleb Widogast
  
  actor
  
  actors
  
  2025
- Critical Role: 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
- Age of Umbra
  Skreev
  
  actor
  
  actors
  
  2025
production (2 credits)
- The Mighty Nein
  
  executive producer
  
  production
  
  2025
- The Legend of Vox Machina
  
  executive producer
  
  production
  
  2022
creator (2 credits)
- Critical Role Cooldown
  
  creator
  
  creator
  
  2024
- Critical Role
  
  creator
  
  creator
  
  2015
writing (1 credits)
- The Legend of Vox Machina
  
  2022

Liam O'Brien Profiles and Sources