Liam Christopher O'Brien is an American voice actor, voice director and writer who has served as the voice director for four Resident Evil games and also provided the voice so various characters. Outside of his work in the Resident Evil series, O'Brien is best known as the voice of Gaara in Naruto. He also voiced Nightcrawler and Angel in Wolverine and the X-Men, Shichigoro in Afro Samurai: Resurrection and War in Darksiders.
O'Brien is also good friends with Leon S. Kennedy actor Matthew Mercer and appears as one of the members of Critical Role. Here is here he plays Dungeons & Dragons with fellow voice actors Marisha Ray, Laura Bailey, Travis Willingham, Taliesine Jaffe and even Ashley Johnson.