Besides being established in the modern entertainment industry, Gackt's music has been used as theme songs for video games (""), anime films ("New Fist of the North Star" and "Mobile Suit Zeta Gundam") and television series ("Kamen Rider Decade"). In addition to his music career, Gackt has acted in a few films, including a film he wrote, "Moon Child", his international debut "Bunraku", and TV series such as the NHK drama "Fūrin Kazan". He also performed live in theatre stage plays, one duology of which was written, composed, and directed by him: "Moon Saga: Mysteries of Yoshitsune I & II". He has performed classical arrangements of his songs twice with the Tokyo Philharmonic Orchestra. He also provided the voice samples for Internet Co., Ltd.'s first Vocaloid, Gackpoid.