Shingo Kawaguchi (川口 真五 Kawaguchi Shingo) played Todoroki (Tomizo Todayama) in Kamen Rider Hibiki. He also played Sarutobi Sasuke in Kamen Rider Den-O: I'm Born!. He later reprised his role as Todoroki when he played his A.R. World counterpart in Kamen Rider Decade. He later played Masahiro Yamamoto (Kamen Rider Mage (Green)) in the last episodes of Kamen Rider Wizard.