Aimi Tanaka : Umaru Doma
Kenji Nojima : Taihei Doma

Akari Kageyama : Nana Ebina
Ami Koshimizu : Kanau
Haruka Shiraishi : Kirie Motoba
Hiroki Y:umoto : Takeshi "Bonba" Motoba
Tetsuya Kakihara : Alex Tachibana
Yurina Furukawa : Sylphynford Tachibana

Asami Yoshida : Old woman (ep 2)
Himika Akaneya :
Female announcer (ep 8)
Female student (eps 3-6, 9)
Mother (ep 12)
Store employee (ep 2)
Woman (ep 1)
Hiroki Maeda :
Ebina's father (ep 2)
Male student (eps 1, 3)
Old man (ep 5)
Store employee (ep 7)
Store manager (ep 4)
Subordinate (ep 8)
Ikuto Kanem:a :
Announcer (ep 2)
Game voice (ep 3)
Man (ep 1)
Narration (ep 12)
Reporter (ep 8)
Store employee (eps 4, 7)
Student (ep 10)
Kyouko Chikiri : Old woman (ep 7)
M:ahito Yabe :
Father (ep 12)
N:su (ep 10)
M:umi Asano : Ebina's mother (ep 2)
Minoru Shiraishi : Narration (ep 6)
Miyu Tomita :
Boy (ep 12)
Female student (eps 3-4)
Girl (ep 8)
Taihei Doma (young; ep 7)
Woman (ep 1)
Rena Maeda :
Child (ep 1)
Female student (eps 5-6, 9)
Store employee (ep 2)
Teacher (eps 3-4)
Sankaku Head : S.K.H (ep 4)
Satomi Arai : Narrator (ep 11)
Toshiki Kurosawa :
Male student (eps 1, 3, 10)
Store employee (ep 7)
Yoshimitsu Shimoyama : Host (ep 11)