Screenwriter
Main Role
- Morimoto ShintaroHasegawa MasanoriMain Role
- Watanabe DaichiWatanabe TakashiMain Role
Support Role
- Hamura JinseiHasegawa Masanori [Young]Support Role
- Suzuki FukuWatanabe Takashi [Young]Support Role
- Morishima RitsutoHasegawa Masanori [Childhood]Support Role
- Kuwana ManatoWatanabe Takashi [Childhood]Support Role
- JiroHasegawa Junichi [Masanori's father]Support Role
- Sakai MakiHasegawa Yukiko [Masanori's mother]Support Role
- Katayama YukiHasegawa Takako [Masanori's older sister]Support Role
- Minamide RyokaHasegawa Hiroyuki [Masanori's younger brother]Support Role
- Anzai HajimeHasegawa Nobuo [Masanori's grandfather]Support Role
- Mitsuishi KenWatanabe Masao [Takashi's father]Support Role
- HiccoroheeWatanabe Mikiko [Takashi's mother]Support Role
- Yanai YumenaWatanabe Reiko [Takashi's older sister]Support Role
- Ibu MasatoWatanabe Kinjiro [Takashi's grandfather]Support Role
- Kayamoto RirikaHasegawa Takako [Childhood]Support Role
- Kinoshita EitaWatanabe Takashi [Toddler]Support Role
- Chiba ArataHasegawa Hiroyuki [Toddler]Support Role
- Shibayama AiriWatanabe Reiko [Toddler]Support Role
- Yoshida YasunaoKubota MasakiSupport Role
- Kotoge Eiji[Himself]Support Role
- Kazama ShunsukeKazamatsuriSupport Role
- Hollywood Zakoshisyoh[Himself]Support Role
- Watari 119Ebato Shota (Ep. 11~)Support Role
Guest Role
- Hasegawa Masanori[Himself]Guest Role
- Watanabe Takashi[Himself]Guest Role
- Morley Robertson[Interviewer] (Ep. 7, 14) | [Man fishing by the river] (Ep. 39)Guest Role
- Sumida MoenoTakada Kaori [Masanori's classmate] (Ep. 9)Guest Role
- Kobayashi Ryuju[Masanori's homeroom teacher] (Ep. 9)Guest Role
- Saito YuseiNagata [Masanori's classmate] (Ep. 9)Guest Role
- Nakagami En[Takashi's homeroom teacher] (Ep. 10-11)Guest Role
- Azuma Ryunosuke[Baseball team member] (Ep. 12)Guest Role
- Koume Dayu[American football club coach] (Ep. 12-13)Guest Role
- Ohmura Wataru[Masanori's teacher] (Ep. 14)Guest Role
- Amemiya Yohei[Senior comedian with a guitar] (Ep. 27)Guest Role
- Ringo ChanMiyuki [Kubota's girlfriend] (Ep. 28)Guest Role
- Hanawa Nobuyuki[Man at public telephone] (Ep. 29)Guest Role
- Okano YoichiGoshino Ichiro [Audition judge] (Ep. 30)Guest Role
- Yahagi Masaru[Man who saw Masanori shaving] (Ep. 30)Guest Role
- Hosoi Kota[Kid playing baseball] (Ep. 31)Guest Role
- Nakamura Akito[Kid playing baseball] (Ep. 31)Guest Role
- Ota RuseSekine Akihiko (Ep. 6)Guest Role
Unknown
- Takeuchi MinoruMizuta KenjiUnknown
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