Seiyō Uchino (内野 聖陽, Uchino Seiyō; born September 16, 1968, in Kōhoku-ku, Yokohama, Kanagawa Prefecture, Japan) is a Japanese actor who is represented by Stardust Promotion. Before taking his current stage name Seiyō Uchino in July 2013, he was known by his birth name Masaaki Uchino (same spelling in Japanese).
Source: “Seiyō Uchino”, English Wikipedia (CC BY-SA 4.0), excerpt