|This article is about a/an actor in the film Kamen Rider ZO.|
Kou Domon (土門 廣 Domon Kō), or Tsutomu Sano (佐野 茂 Sano Tsutomu) played Masaru Aso, the titular rider of the stand-alone movie, Kamen Rider ZO (1993). He gave an interview in the promotional TV special Fight! Our Kamen Rider!- The Strongest Rider, ZO is Born!.
Despite ZO going on to make later minor appearances, including in recent crossover movies, Kou Domon has yet to reprise his role again.