O Onii-chan Da Umaru

Hiroki Yasumoto Takeshi 'Bomba' Motoba (voice)

Tetsuya Kakihara Alex Tachibana (voice)

兼政郁人 Clerk (voice)

知桐京子 Woman (voice)

Miyu Tomita Young Taihei (voice)

黒沢季希 Clerk (voice)

前田弘喜 Clerk (voice)