is a Japanese actor. His first major role was as Tsubasa Yamagatana/Dan the Knight of the White Night in '. Yamamoto later portrayed Seiji Hayami in '. He also portrayed Takato Shiramine/Kamen Rider Rey in the Kamen Rider Kiva movie ', and in the TV series as Taiga Nobori/Kamen Rider Saga. He is one of two actors to portray two different characters in a single Kamen Rider Series film and television series; the other is Kenji Matsuda in Kamen Rider Hibiki and Kamen Rider Hibiki & The Seven War Oni.