Koro-sensei (voice)
Tadaomi Karasuma (voice)
Irina Jelavic (voice) (as Shizuka Itô)
Karma Akabane (voice)
Yuuma Isogai (voice)
Taiga Okajima (voice)
Hinata Okano (voice)
Megu Kataoka (voice)
Kaede Kayano (voice)
Masayoshi Kimura (voice)
Hinano Kurahashi (voice)
Nagisa Shiota (voice)
Sousuke Sugaya (voice)
Tomohito Sugino (voice)
Koutarou Takebayashi (voice)
Ryuunosuke Chiba (voice)
Ryouma Terasaka (voice)
Sumire Hara (voice)
Yuzuki Fuwa (voice)
Hiroto Maehara (voice)
Kouki Mimura (voice) (as Shinya Takahashi)
Takuya Muramatsu (voice) (as Koki Harasawa)
Touka Yada (voice)
Taisei Yoshida (voice)
Autonomous Intelligence Fixed Artillery (voice)
Developer (voice)
Sonic Ninja (voice)
Additional Voices (voice)
Ritsu (voice)
(voice)
Teppei Araki (voice) (as Josh Grelle)
Gastro (voice)
Iekda / Additional Voices (voice)
Toka Yada (voice)
Kurosensei (voice)