Katsuhisa Namase (生瀬 勝久 Namase Katsuhisa?) is a Japanese actor who plays Soun Tendo in the live action adaptation of Ranma ½. He has had several live action roles in Japanese TV shows and films, such as "Goro Sawatari" in Gokusen, "Kenzô Yabe" in Trick, and "Toshiyuki Yoshioka" in the live action version of Grave of the Fireflies.