Kazuhisa Kawahara: Kazuhisa Kawahara. Actor: Kamen Rider OOO, Den-O, & All Riders: Let's Go Kamen Riders. Kazuhisa Kawahara was born on 26 December 1961 in Kitakyushu, Japan. He is an actor, known for Kamen Rider OOO, Den-O, & All Riders: Let's Go Kamen Riders (2011), Initial D: Second Stage (1999) and Kamen Rider Ryuki (2002). He has been married to Kio Matsumoto since 29 October 2012.