Liam O'Brien has appeared in 10 movies.
These include Hulk: Where Monsters Dwell, The Phoenix Incident, Carmen Sandiego: To Steal or Not to Steal, Iron Man & Hulk: Heroes United, The Spirit of '76, Planet Hulk, Adventures in Voice Acting, Wolverine and the X-Men: Fate of the Future, Afro Samurai: Resurrection and Phineas and Ferb: Mission Marvel.Liam O'Brien has appeared in 7 TV Series.
These include The Legend of Vox Machina, Wolverine and the X-Men, DOTA: Dragon's Blood, Star Wars: The Bad Batch, Marvel's Avengers, Star Wars Rebels and Regular Show.