Willful MurderWillful Murder is a 1981 Japanese drama film directed by Kei Kumai. It dramatizes a journalist's investigation into the Shimoyama incident. It was entered into the 32nd Berlin International Film Festival.Cast Tatsuya Nakadai Kei Yamamoto Yōko Asaji Kaneko Iwasaki Ichirō Nakatani Junkichi Orimoto Daisuke Ryū Kōji Yakusho Kinzō Shin Noboru Nakaya