Goro Oishi

as Gamoda Ikuo

as Gamoda (5 episodes)

as Yoji Makimura [Owner of karaoke bar "Maki"] (1 episode)

as Suzuki

as 室崎匡大 (1 episode)

as Sasano

as Sasano

as University Professor

as Takeshi Domon (5 episodes)

as Keigo Takashina

as Hidenori Kawamura (1 episode)

as Kota's Father

as Isao Murakami

as Takahisa Kozai (5 episodes)