Masane Tsukayama is a veteran Japanese actor and voice performer born in Okinawa in 1944, widely known in Japan as the dubbing voice for Hollywood stars such as Robert De Niro and Kevin Costner; he also contributed voice work to the One Piece anime, produced by Toei Animation.
Tsukayama is credited as part of the Japanese voice cast for the One Piece anime, produced by Toei Animation, though the specific character he portrayed is not part of the publicly documented casting record. His involvement reflects a broader pattern in the series of drawing on established stage and screen actors for guest and one-off vocal appearances.
Beyond anime, Tsukayama built his reputation as one of Japan's most in-demand dubbing artists, serving as the standard Japanese voice for major Hollywood actors including Gabriel Byrne, Liam Neeson, Richard Gere, Robert De Niro, and Kevin Costner. His decades-long career, which began in the 1960s, was recognized in 2021 when he received the Merit Award at the Seiyu Awards.

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Tsukayama has served as the standard Japanese voice for major Hollywood actors including Gabriel Byrne, Liam Neeson, Richard Gere, Robert De Niro, and Kevin Costner.
Tsukayama is credited as part of the Japanese voice cast for the One Piece anime, produced by Toei Animation, though the specific character he portrayed is not part of the publicly documented casting record.
Tsukayama received the Merit Award at the Seiyu Awards in 2021, recognition for his decades-long career.
Tsukayama, a Japanese actor, was born in Okinawa in 1944. His birth predates the start of his acting career by roughly two decades, and he grew into one of the most enduring performers in Japanese film, television, and voice work.
Tsukayama's career began in the 1960s, active since 1964, making him a veteran figure in Japanese acting and dubbing for more than six decades.
This content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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