Portrait of Liam O'Brien

Liam O'Brien

Bio: 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
Born: Fri, May 28 1976
Birthplace: Belleville, New Jersey, USA
Liam O'Brien is 48 years old
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Movies (Acting Roles)

Sorted by Release Date
Poster of LEGO Marvel Avengers: Code Red
LEGO Marvel Avengers: Code Red
Liam O'Brien was
47 in LEGO Marvel Avengers: Code Red
as 'Red Skull / Hydra Goon 2 (voice)'.
Thu, Oct 26 2023
Poster of Adventure Never Ends: A Tabletop Saga
Adventure Never Ends: A Tabletop Saga
Liam O'Brien was
46 in Adventure Never Ends: A Tabletop Saga
as 'Self'.
Tue, Apr 11 2023
Poster of Carmen Sandiego: To Steal or Not to Steal
Carmen Sandiego: To Steal or Not to Steal
Liam O'Brien was
43 in Carmen Sandiego: To Steal or Not to Steal
as 'Professor Maelstrom / Diplomat / Guard 2 (voice)'.
Tue, Mar 10 2020
Poster of LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
Liam O'Brien was
42 in LEGO Marvel Super Heroes: Black Panther - Trouble in Wakanda
as 'Doctor Strange (voice)'.
Mon, Jun 04 2018
Poster of Ginger & Snapper
Ginger & Snapper
Liam O'Brien was
40 in Ginger & Snapper
as 'Snapper (voice)'.
Tue, Nov 01 2016
Poster of Hulk: Where Monsters Dwell
Hulk: Where Monsters Dwell
Liam O'Brien was
40 in Hulk: Where Monsters Dwell
as 'Doctor Strange (voice)'.
Fri, Oct 21 2016
Poster of Everstar
Everstar
Liam O'Brien was
39 in Everstar
as 'Paxley (voice)'.
Thu, Nov 05 2015
Poster of The Phoenix Incident
The Phoenix Incident
Liam O'Brien was
39 in The Phoenix Incident
as 'Jacob Reynolds'.
Tue, Jun 16 2015
Poster of Star Wars Rebels: Spark of Rebellion
Star Wars Rebels: Spark of Rebellion
Liam O'Brien was
38 in Star Wars Rebels: Spark of Rebellion
as 'Yogar Lyste/ Morad Sumar/ Vendor 1'.
Fri, Oct 03 2014
Poster of Iron Man & Captain America: Heroes United
Iron Man & Captain America: Heroes United
Liam O'Brien was
38 in Iron Man & Captain America: Heroes United
as 'The Red Skull (voice)'.
Tue, Jul 29 2014
Poster of JLA Adventures: Trapped in Time
JLA Adventures: Trapped in Time
Liam O'Brien was
37 in JLA Adventures: Trapped in Time
as 'Aquaman (voice)'.
Tue, Jan 21 2014
Poster of Iron Man & Hulk: Heroes United
Iron Man & Hulk: Heroes United
Liam O'Brien was
37 in Iron Man & Hulk: Heroes United
as 'The Red Skull (voice)'.
Tue, Dec 03 2013
Poster of Phineas and Ferb: Mission Marvel
Phineas and Ferb: Mission Marvel
Liam O'Brien was
37 in Phineas and Ferb: Mission Marvel
as 'Red Skull (voice)'.
Fri, Aug 16 2013
Poster of Planet Hulk
Planet Hulk
Liam O'Brien was
33 in Planet Hulk
as 'Hiroim (voice)'.
Tue, Feb 02 2010
Poster of Wolverine and the X-Men: Fate of the Future
Wolverine and the X-Men: Fate of the Future
Liam O'Brien was
33 in Wolverine and the X-Men: Fate of the Future
as 'Kurt Wagner / Nightcrawler (voice) (archive footage)'.
Mon, Feb 01 2010
Poster of Afro Samurai: Resurrection
Afro Samurai: Resurrection
Liam O'Brien was
33 in Afro Samurai: Resurrection
as 'Shichogoro (voice)'.
Fri, Oct 16 2009
Poster of Adventures in Voice Acting
Adventures in Voice Acting
Liam O'Brien was
32 in Adventures in Voice Acting
as 'Self'.
Thu, Jul 03 2008
Poster of Brave Story
Brave Story
Liam O'Brien was
29 in Brave Story
as 'Ishioka Young Bishop (English version, voice)'.
Mon, May 22 2006
Poster of The Spirit of '76
The Spirit of '76
Liam O'Brien was
14 in The Spirit of '76
as 'Rodney Snodgrass'.
Fri, Oct 12 1990

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of Critical Cooldown
Critical Cooldown
Liam O'Brien was
47+ in Critical Cooldown
as 'Self'.
First Air Date
Thu, May 09 2024
Poster of Critical Role Abridged
Critical Role Abridged
Liam O'Brien was
47+ in Critical Role Abridged
as 'Orym'.
First Air Date
Thu, May 09 2024
Poster of Candela Obscura
Candela Obscura
Liam O'Brien was
46+ in Candela Obscura
as 'Cosmo Grimm, Game Master, Self'.
First Air Date
Thu, May 25 2023
Poster of Star Wars: Young Jedi Adventures
Star Wars: Young Jedi Adventures
Liam O'Brien was
46+ in Star Wars: Young Jedi Adventures
as 'Master Estala Maru (voice), Onderrs (voice)'.
First Air Date
Thu, May 04 2023
Poster of Dirty Laundry
Dirty Laundry
Liam O'Brien was
45+ in Dirty Laundry
as 'Self - Guest'.
First Air Date
Mon, Apr 11 2022
Poster of 4-Sided Dive
4-Sided Dive
Liam O'Brien was
45+ in 4-Sided Dive
as 'Self'.
First Air Date
Tue, Apr 05 2022
Poster of The Legend of Vox Machina
The Legend of Vox Machina
Liam O'Brien was
45+ in The Legend of Vox Machina
as 'Vax'ildan (voice), Self'.
First Air Date
Thu, Jan 27 2022
Poster of Exandria Unlimited
Exandria Unlimited
Liam O'Brien was
45+ in Exandria Unlimited
as 'Orym, Self'.
First Air Date
Thu, Jun 24 2021
Poster of Star Wars: The Bad Batch
Star Wars: The Bad Batch
Liam O'Brien was
44+ in Star Wars: The Bad Batch
as 'Bolo / Captured Falleen / Raney (voice), Bolo / Tactical Droid (voice), Bolo / Scrapper (voice), Bolo (voice), Bolo / Pyke (voice), Bartender Droid / Stormtrooper #1 / Stormtrooper #3 (voice), Devaronian Captain / Pyke (voice)'.
First Air Date
Tue, May 04 2021
Poster of DOTA: Dragon's Blood
DOTA: Dragon's Blood
Liam O'Brien was
44+ in DOTA: Dragon's Blood
as 'Nikdo / Bandit #1 / Bandit #4 (voice)'.
First Air Date
Thu, Mar 25 2021
Poster of Crit Recap Animated
Crit Recap Animated
Liam O'Brien was
44+ in Crit Recap Animated
as 'Caleb Widowgast (voice), Orym (voice)'.
First Air Date
Wed, Dec 23 2020
Poster of Narrative Telephone
Narrative Telephone
Liam O'Brien was
43+ in Narrative Telephone
as 'Self'.
First Air Date
Mon, Apr 06 2020
Poster of Um, Actually...
Um, Actually...
Liam O'Brien was
42+ in Um, Actually...
as 'Self - Contestant'.
First Air Date
Fri, Sep 28 2018
Poster of Sagas of Sundry
Sagas of Sundry
Liam O'Brien was
41+ in Sagas of Sundry
as 'Emmett Markham'.
First Air Date
Thu, Jun 29 2017
Poster of CelebriD&D
CelebriD&D
Liam O'Brien was
39+ in CelebriD&D
as 'Vax'ildan'.
First Air Date
Mon, Oct 19 2015
Poster of Critical Role
Critical Role
Liam O'Brien was
38+ in Critical Role
as 'Vax'ildan Vessar, Caleb Widogast, Orym of the Air Ashari, Kurt, Self / Vax'ildan, Reverend Forrest Alton, Dungeon Master, Jayne Merriweather, Liam O'Brien, Vax'ildan, Cookie, Quazirat Tolluz, Ringo, Ally, Lieve'tel, Tomeytine, Septimus Goodfellow, Derrig / Vax'ildan, Snax, Buddy, Self, Forrest Coreman, Lucas Dankworth (NerfWormGrim01011)'.
First Air Date
Thu, Mar 12 2015
Poster of Star Wars Rebels
Star Wars Rebels
Liam O'Brien was
38+ in Star Wars Rebels
as 'Commander (voice), Lt. Lyste / Stormtrooper Squad Leader (voice), Lt. Lyste / Morad Sumar (voice), Deck Officer / Imperial Tech / Lieutenant Lyste (voice)'.
First Air Date
Mon, Oct 13 2014
Poster of Marvel's Avengers
Marvel's Avengers
Liam O'Brien was
36+ in Marvel's Avengers
as 'Red Skull / Commuter (voice), Doctor Strange (voice)'.
First Air Date
Sun, May 26 2013
Poster of Regular Show
Regular Show
Liam O'Brien was
34+ in Regular Show
as 'Tango (voice)'.
First Air Date
Mon, Sep 06 2010
Poster of Wolverine and the X-Men
Wolverine and the X-Men
Liam O'Brien was
32+ in Wolverine and the X-Men
as 'Kurt Wagner (voice)'.
First Air Date
Fri, Jan 23 2009
Poster of Phineas and Ferb
Phineas and Ferb
Liam O'Brien was
31+ in Phineas and Ferb
as 'Red Skull (voice)'.
First Air Date
Fri, Aug 17 2007
Poster of Descendants of Darkness
Descendants of Darkness
Liam O'Brien was
24+ in Descendants of Darkness
as '(voice)'.
First Air Date
Mon, Oct 02 2000