watch 01:52 The Loop (TV) Do you like this video? This article is about a/an voice actor in the Kamen Rider Series. Kouji Ishii (石井 康嗣, Ishii Kōji) voiced a mysterious Gamma (later revealed to be Dark Mind) in Kamen Rider 1 & Another 1 in Kamen Rider: Reiwa The First Generation. External links Kouji Ishii at Wikipedia. Kouji Ishii at RangerWiki Retrieved from "https://kamenrider.fandom.com/wiki/Kouji_Ishii?oldid=535002" Categories: Voice Actors Voice Actors who appeared in Super Sentai Community content is available under CC-BY-SA unless otherwise noted.