TV roles
Best TV shows featuring Liam O'Brien
Every Liam O'Brien series we track, ranked by real viewer rating — led by Critical Role: The Mighty Nein at 9.0. Where to stream each is one tap away.
Liam O'Brien's shows, ranked 27
Critical Role: The Mighty Nein (2018)as Caleb Widogast
Critical Role Cooldown (2024)as Creator
Regular Show (2010)as Tango (voice)
The Legend of Vox Machina (2022)as Vax'ildan (voice)
Star Wars: The Bad Batch (2021)as Bolo / Captured Falleen / Raney (voice)
The Mighty Nein (2025)as Caleb (voice)
Sagas of Sundry (2017)as Emmett Markham
Candela Obscura (2023)as Cosmo Grimm
Critical Role (2015)as Vax'ildan Vessar
Phineas and Ferb (2007)as Red Skull (voice)
Star Wars Rebels (2014)as Commander (voice)
DOTA: Dragon's Blood (2021)as Nikdo / Bandit #1 / Bandit #4 (voice)
Wolverine and the X-Men (2009)as Kurt Wagner (voice)
Marvel's Avengers (2013)as Red Skull / Commuter (voice)
G.I. Joe: Renegades (2010)as Captain Anatoly Krimov/Red Star/German CEO (voice)
Sofia the First (2013)as Boswell (voice)
Descendants of Darkness (2000)as (voice)
LEGO Marvel Avengers: Strange Tails (2025)as Doctor Strange / Red Skull (voice)
Star Wars: Young Jedi Adventures (2023)as Master Estala Maru (voice)
Exandria Unlimited (2021)as Orym, of the Air Ashari
CelebriD&D (2015)as Vax'ildan
Critical Role Abridged (2024)as Orym, of the Air Ashari
Crit Recap Animated (2020)as Orym, of the Air Ashari (voice)
MOONWARD (2024)as Walden Orlock
Age of Umbra (2025)as Skreev
Daggerheart (2024)as Xarlo Grandall- The Dragon King
Good to know
What is Liam O'Brien's best TV show?
Critical Role: The Mighty Nein (2018) is Liam O'Brien's highest-rated series here, at ★ 9.0.
How many TV shows has Liam O'Brien been in?
We track 27 Liam O'Brien shows, averaging ★ 7.1 — ranked here by viewer rating.
Where can I watch Liam's shows?
Each series links to its page with live streaming availability for your country.