Worst by Chance Cast Hayato Ichihara Mika Nakashima Shin Yazawa Hiroyuki Ikeuchi Yû Aoi Tasuku Emoto Yoshinori Okada Jun Fubuki Akira Emoto Yoshihiko Hakamada Eriko Sato Masahiko Tsugawa Kimiko Yo Rie Tomosaka Masaru Nagai Ai Maeda Masatoshi Nagase Takashi Tsukamoto Katsunori Takahashi Hideji Ôtaki