Kazuya Nakai 中井和哉
AONI PRODUCTION · From Kobe
Born in 1967. A former civil servant who trained at weekend acting school on the side — and the voice of Roronoa Zoro since 1999. Best Supporting Actor at the 5th Seiyu Awards, and a familiar narration voice besides.
One Piece
Signature Role
Roronoa Zoro. The three-sword swordsman of the Straw Hat crew. Nakai has voiced him since 1999 — the fights, the naps, and the getting lost, all of it.
My Reviews
All my One Piece reviews
All my One Piece reviews
After War Gundam X
First Regular Role
Witz Sue. A mobile suit pilot — and Nakai’s first regular role. His actual voice debut came a year earlier, a bit part in Gulliver Boy (1995).
Gintama
Latest Role
Toshiro Hijikata. The demon vice-commander of the Shinsengumi, mayonnaise on everything. Nakai played Hijikata again in Yoshiwara in Flames, which opened in Japan in February 2026 — and voiced Hakari in Jujutsu Kaisen’s Culling Game the same year.
Profile photo: AONI PRODUCTION. Key visuals & character images: One Piece, Gintama and Gundam official sites.
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