Liam O'Brien
Actor · Executive Producer · Writer · Creator
Born May 28, 1976 · Belleville, New Jersey, USA
Active 2000–present
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]
Filmography
The Mighty Nein (2025) — Caleb (voice) · Executive ProducerLEGO Marvel Avengers: Strange Tails (2025) — Doctor Strange / Red Skull (voice)Age of Umbra (2025) — SkreevCritical Role Live: Oaths & Ash (2025) — Orym, of the Air AshariCritical Role Live: Jester and Fjord's Wedding (2025) — Caleb WidogastRegular Show (2010) — Tango (voice)Star Wars: The Bad Batch (2021) — Devaronian Captain / Pyke (voice) · Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice) · Bolo / Pyke (voice) · Bolo (voice) · Bolo / Scrapper (voice) · Bolo / Tactical Droid (voice) · Bolo / Captured Falleen / Raney (voice)Phineas and Ferb (2007) — Red Skull (voice)The Legend of Vox Machina (2022) — Vax'ildan (voice) · Executive Producer · WriterStar Wars Rebels (2014) — Deck Officer / Imperial Tech / Lieutenant Lyste (voice) · Lt. Lyste / Morad Sumar (voice) · Lt. Lyste / Stormtrooper Squad Leader (voice) · Commander (voice)Marvel's Avengers (2013) — Red Skull (voice) · Doctor Strange (voice) · Red Skull / Commuter (voice)DOTA: Dragon's Blood (2021) — Nikdo / Bandit #1 / Bandit #4 (voice)Sofia the First (2013) — Boswell (voice)Planet Hulk (2010) — Hiroim (voice)Wolverine and the X-Men (2009) — Kurt Wagner (voice)Carmen Sandiego (2019) — Professor Maelstrom / Vlad / Boris / Others (voice)Star Wars Rebels: Spark of Rebellion (2014) — Yogar Lyste/ Morad Sumar/ Vendor 1Afro Samurai: Resurrection (2009) — Shichogoro (voice)JLA Adventures: Trapped in Time (2014) — Aquaman / Batwing Computer (voice)Phineas and Ferb: Mission Marvel (2013) — Red Skull (voice)Iron Man & Captain America: Heroes United (2014) — The Red Skull (voice)LEGO Marvel Avengers: Code Red (2023) — Red Skull / Hydra Goon 2 (voice)Iron Man & Hulk: Heroes United (2013) — The Red Skull (voice)Hulk: Where Monsters Dwell (2016) — Doctor Strange (voice)