LOUDER! Can't Hear What You're Singin', Wimp!: Cast
Sadawo Abe
Sin
Riho Yoshioka
Fūka Ashitaba
Yudai Chiba
Sakaguchi
Kumiko Aso
Female Doctor
Eiji Kotoge
Jimetsu
Yuki Katayama
Seiko Inō
Yuko Nakamura
Kinomoto
Shoko Ikezu
Sin's Mother
Ryo Iwamatsu
Muryo Record Company CEO
Eri Fuse
Devil Woman
Tetsushi Tanaka
CEO
Suzuki Matsuo
Uncle Zappa
Yoshiyuki Morishita
Happy Soba Man / Pizza Delivery Man
Show Kasamatsu
Park