Gantz: O (2016) is a 3DCG film based on the popular manga series Gantz where this film covers the events in the Osaka Arc. Gantz: O is co-directed by Yasushi Kawamura and Keiichi Saito with visuals that will make your mouth water. Netflix released Gantz: O on their streaming platform this past February 18, 2017, after originally releasing in Japan on October 14, 2017. Chris Jai Alex, Saori Hayami, and Mao Ichimichi are voice actors in Gantz: O.