Matthew Mercer

Matthew Mercer
Mercer in 2023
Born
Matthew Christopher Miller

Occupations
Years active2004–present
Spouse
(m. 2017)

Matthew Christopher Miller, known professionally as Matthew Mercer or Matt Mercer, is an American voice actor, game designer and gamemaster. He has been an active voice-over artist in video games and animation since 2002.

Notable animation credits include Levi Ackerman in Attack on Titan, Kiritsugu Emiya in Fate/Zero, Jotaro Kujo in JoJo's Bizarre Adventure, Yamato in Naruto, Trafalgar Law in One Piece, Hit in Dragon Ball Super, and Leorio in Hunter x Hunter. Mercer's video games credits include Leon S. Kennedy in Resident Evil 6, Kurtis Stryker in Mortal Kombat 9, Jack Cooper in Titanfall 2, Cole Cassidy in Overwatch, and Yusuke Kitagawa in Persona 5.

Mercer developed and served as the Dungeon Master for the Dungeons & Dragons web series Critical Role since it premiered in 2015. He is the chief creative officer of Critical Role Productions. As a game designer, he has worked on tabletop role-playing game books such as Explorer's Guide to Wildemount (2020), Tal'Dorei Campaign Setting Reborn (2022), Critical Role: Call of the Netherdeep (2022) and Daggerheart (2025).