- Yuki Yomichi
- Â Koguma 12 episodes, 2021
- Ayaka Nanase
- Â Reiko 12 episodes, 2021
- Dawn M. Bennett
- Â Reiko 12 episodes, 2021
- Jackie Lastra
- Â Koguma 12 episodes, 2021
- Natsumi Hioka
- Â Shii Eniwa 9 episodes, 2021
- Skyler Davenport
- Â Shii Eniwa 9 episodes, 2021
- Takahiro Miyamoto
- Â Shii's Father 5 episodes, 2021
- Cris George
- Â Shii's Father 5 episodes, 2021
- Dorah Fine
- Â Shii's Mother / ... 5 episodes, 2021
- Frank Todaro
- Â Assistant Principal / ... 4 episodes, 2021
- Mariko Honda
- Â Student 4 episodes, 2021
- Yuta Aoki
- Â Student 4 episodes, 2021
- Mariko Tsutsui
- Â Shii's Mother 3 episodes, 2021
- Patrick Seitz
- Â Clerk / ... 3 episodes, 2021
- Felecia Angelle
- Â Japanese Language Teacher / ... 3 episodes, 2021
- Edward Bosco
- Â Clerk / ... 3 episodes, 2021
- Katsumi Fukuhara
- Â Student 3 episodes, 2021
- Shin'ya Takahashi
- Â Announcer 3 episodes, 2021
- Geoff Bisente
- Â Announcer / ... 3 episodes, 2021
- Odake Matsumoto
- Â Student / ... 3 episodes, 2021
- Seria Fukagawa
- Â Student 3 episodes, 2021
- Ayako Uemura
- Â Student 3 episodes, 2021
- Ken Uo
- Â Shino-san 2 episodes, 2021
- Jason Charles Miller
- Â Shino-san 2 episodes, 2021
- Anne Yatco
- Â Home Economics Teacher 2 episodes, 2021
- Kanehira Yamamoto
- Â Clerk 2 episodes, 2021
- Minori Chihara
- Â Japanese Language Teacher 2 episodes, 2021
- Asaki Fukuyama
- Â Clerk 2 episodes, 2021
- Eriko Hara
- Â Homeroom Teacher 2 episodes, 2021
- Yûki Hoshi
- Â Assistant Principal 2 episodes, 2021
- Naoyuki Shimozuru
- Â Math Teacher 2 episodes, 2021
- Kôji Seki
- Â Salesperson 2 episodes, 2021
- Tadashi Miyazawa
- Â Shinkin Bank Chief 2 episodes, 2021
- Suguru Narisawa
- Â Student 2 episodes, 2021
- Keiko Shirasu
- Â Home Economics Teacher 2 episodes, 2021
- Michaela Jill Murphy
- Â Clerk 1 episode, 2021
- Chris Hackney
- Â Salesperson 1 episode, 2021
- Ryôta Takeuchi
- Â Driver 1 episode, 2021
- Kôji Ishii
- Â Mountain Lodge Shopkeeper 1 episode, 2021
- Minami Hinata
- Â Student 1 episode, 2021
- Kentarou Asami
- Â Student 1 episode, 2021
- Miki Horiba
- Â Student 1 episode, 2021
- Masaki Saitô
- Â Operator 1 episode, 2021
- Erika Ueno
- Â Customer 1 episode, 2021
- Manami Sakai
- Â Student 1 episode, 2021
- Arashi Hirakawa
- Â Student 1 episode, 2021
- Kôji Akahori
- Â Student 1 episode, 2021
- Nanjou Hikaru
- Â Student 1 episode, 2021
- Yoshihisa Yamamoto
- Â Rider 1 episode, 2021