Gantz:O Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Somewhere in Tokyo there is a room. In that room is a black sphere. Periodically people who should otherwise have died are transferred to the room. There the sphere gives them special suits and weapons and sends them out on a mission to kill aliens here on Earth. While these missions take place the rest of the world is largely oblivious to them. These missions are lethal - few participants survive them. The sphere calls the shots and it's not the slightest bit nice. Its name... Gantz. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Yuki Kaji, Daisuke Ono, Saori Hayami, Teruaki Ogawa, Mao Ichimichi, Shuichi Ikeda, Kenjiro Tsuda, Tomohiro Kaku, Masaya Onosaka, Masane Tsukayama .