The official GANTZ:O Website uploaded a new trailer for the upcoming CG movie Gantz:O . The trailer shows off some new footage of how everything begins. Below you can see some of the shows staff- Keiichi Satou-Chief director Yasushi Kawamura- Film Director Tsutomu Kuroiwa – Screenplay Daisuke Ono -Voice of Masaru Katō Digital Frontier is handling production. […]