Kousuke Yamamoto (山本 光将, Yamamoto Kōsuke), better known under his stage name Shouma Yamamoto (山本 匠馬, Yamamoto Shōma) is a Japanese actor who portrayed Taiga Nobori/Kamen Rider Saga and Takato Shiramine/Kamen Rider Rey in Kamen Rider Kiva. He voiced Brad Barrett in the Japanese dub of Kamen Rider Dragon Knight. In other Tokusatsu, he portrayed Tsubasa Yamagatana, Dan the Knight of the Midnight Sun in Garo. Shouma Yamamoto (Battride War) Shouma Yamamoto recording for Battride War. He reprised Kamen Rider Dark Kiva (Taiga Nobori) in Kamen Rider Battride War. [1]