This article is about a/an actor in Kamen Rider Kabuto.

Hiro Mizushima (水嶋 ヒロ Mizushima Hiro, born Tomohiro Saitō (齋藤 智裕 Saitō Tomohiro)) is a Japanese actor, writer and model. He was well known as the main protagonist, Souji Tendou and the antagonist, Souji Kusakabe in the tokusatsu series Kamen Rider Kabuto.

Despite Kabuto going on to make later minor appearances, including in recent crossover movies, Hiro Mizushima has yet to reprise either of his roles.


  • Due to being raised in Switzerland, Mizushima is bilingual - being fluent in both Japanese and English, as first exhibited in the 35th Masked Rider Anniversary File segment of Kabuto's 25th episode, where his character pronounces "stronger" and "strongest" in perfect English. 
  • When replying to an Instagram comment, Mizushima revealed that he was not contacted to reprise his role for Heisei Generations Forever.[1]

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