Shihori Kanjiya

Mano Chiaki

Tetsushi Tanaka

Zama Atsushi [Monster patient]

Rin Takanashi

Mano Mari [Chiaki's sister]

Yuki Uchida

Hamaguchi Yoko [Internist at Sasai Memorial Hospital]

Kodai Asaka

Kaneda Naoki [Physician at Sasai Memorial Hospital]

Kenta Hamano

Numata Shinya [General Secretary at Sasai Memorial Hospital]

Takeshi Masu

Takamine Shuji [General Secretary at Sasai Memorial Hospital]

Masaru Nagai

Kira Daisuke [Lecturer of Russian Martial Arts]

Machiko Washio

Asanuma Chieko [Monster patient]

Raita Ryu

Saionji Mitsutaka [Patient with dementia]

Ken Ishiguro

Sasai Soichiro [CEO of Sasai Memorial Hospital]

Mitsuru Hirata

Hasumi Isao [Security guard​ of Sasai Memorial Hospital]

Mayumi Asaka

Mano Yuko [Chiaki's mother]

Masatô Ibu

Mano Toru [Chiaki's father]

Show Kasamatsu

Seto Shota [Caregiver]

Sara Ogawa

Watanabe Misaki

Mariko Kobayashi

Miyake Sayaka

Akie Namiki

Miyabe Satoko [Nurse]

Inoue Takuya

Makimura Keigo