Jingi Irie

as Ichiro Okabe (9 episodes)

as Osamu Noguchi (6 episodes)

as Tachibana (12 episodes)

as Kenichi Kato

as Hazama Jujiro

as Uchimura Masataka [Ruka's colleague & boyfriend] (1 episode)

as Kaneko (6 episodes)

as Takamori Kenichi (8 episodes)

as Ryuji Kanda (Writer)

as Toda Shingo (1 episode)

as Murata (10 episodes)

as Toda Shingo (8 episodes)

as Osako Shogo (1 episode)

as Akira Saizu (1 episode)

as [Train station attendant] (2 episodes)

as Kosuke Bessho (2 episodes)

as Sakurai (1 episode)

as Ryuji Kanda (Assistant Writer)

as Mitsuhiro (2 episodes)