Mai Nakahara : Chisa Yukizome
Minami Takayama : Hajime Hinata

Ai Kayano : Mikan Tsumiki
Ami Koshimizu : Ibuki Mioda
Daisuke Kishio : Fuyuhiko Kuzuryū
Hiroki Y:umoto : Nekomaru Nidai
Jun Fukuyama : Teruteru Hanamura
Kana Hanazawa : Chiaki Nanami
Kanata Hongou : Ryōta Mitarai
Kotono Mitsuishi : Peko Pekoyama
Megumi Ogata : Nagito Komaeda
Miho Arakawa : Sonia Nevermind
Romi Park : Akane Owari
Suzuko Mimori : Hiyoko Saionji
Tomokazu Sugita : Tanaka the Forbidden
Yoshim:a Hosoya : Kazuichi Sōda
Yu Kobay:hi : Mahiru Koizumi

Ai Kayano : Kotomi Ikuta (Student Council Vice President; ep 7)
Ai Shimizu : Satō (ep 3)
Akira Ishida : Super High School-Level Imposter (ep 5)
Ami Koshimizu : Suzuko K:hiki (student council member; ep 7)
Eishin Fudemura : Ryōta Someya (student council member; ep 7)
Hajime Osawa : Daiki Kubo (student council member; ep 7)
Haruka Yamazaki : Natsumi Kuzuryū (eps 2-3)
Hidekatsu Shibata : Kazuo Tengan
Honoka Inoue : Karen Kisaragi (ep 7)
Inori Min:e : Ruruka Andō (ep 4)
Jun Fukuyama : Tarō Kurosaki (student council member; ep 7)
Junichi Suwabe : Jūzō Sakakura
Kaede Hondo : Aiko Umesawa (student council member; ep 7)
Keiji Fujiwara : Koichi Kitakura
Makiko Ohmoto : Sayaka Maizono (ep 11)
Megumi Ogata : Makoto Naegi
Megumi Toyoguchi :
Junko Enoshima
Mukuro Ikusaba
Miho Arakawa : Tsub:a Kamii (student council member; ep 7)
Rikiya Koyama : Jin Kirigiri (Headm:ter)
Saki Fujita : Seiko Kimura (ep 4)
Shinnosuke Ogami : Tomohiko Gōryoku (student council member; ep 7)
Suzuko Mimori : Kiriko Nishizawa (student council member; ep 7)
Takuya Eguchi : Sōnosuke Izayoi (ep 4)
Toshiyuki Morikawa : Kyosuke Munakata
Yoshitaka Yamaya : Sōsuke Ichino (student council member; ep 7)
Yūichi Iguchi : Asuk:ei Hino (student council member; ep 7)
Yusuke Shirai : Sōshun Mur:ame (Student Council President; ep 7)