John Gremillion

John Gremillion voices Roa in both the 2003 Fullmetal Alchemist series and the 2009 Brotherhood dub, along with additional Amestrian military roles including Major General Gartner and Fassler in Brotherhood. Outside Fullmetal Alchemist, he has voiced characters including Gentle Criminal in My Hero Academia and Dracule Mihawk in One Piece.

John Gremillion studied filmmaking at UT Austin and trained in drama at Juilliard, a background that feeds a career built on dependable supporting turns rather than one signature lead. He also voices Huskisson in the Fullmetal Alchemist film Conqueror of Shamballa, adding to his multiple roles across the franchise.

Beyond Fullmetal Alchemist, John Gremillion has voiced Arthur Randall in Black Butler and Hakuoro in Utawarerumono, alongside larger roles such as Dracule Mihawk in One Piece and Gentle Criminal in My Hero Academia. His career reflects a pattern of filling out ensemble military and supporting casts in English-language anime dubs.

John Gremillion is an American voice actor born in 1967, known for filling out ensemble military and supporting casts in English-language anime dubs rather than headlining a single signature role. He voices Roa across both Fullmetal Alchemist anime series.

John Gremillion voices at least four different characters across the Fullmetal Alchemist franchise: Roa in both television series, Major General Gartner and Fassler in Brotherhood, and Huskisson in the film Conqueror of Shamballa. That range reflects his broader career pattern of filling out ensemble military casts in English-language dubs.