- Shoya Chiba
- Â Hajime Aono 24 episodes, 2023
- Ai Kakuma
- Â Ritsuko Akine 23 episodes, 2023
- Shimba Tsuchiya
- Â Nao Saeki 20 episodes, 2023
- Minako Sato
- Â Haru Kozakura 20 episodes, 2023
- Jun'ya Enoki
-  Sô Harada 15 episodes, 2023
- Makoto Furukawa
-  Ichirô Yamada 14 episodes, 2023
- Chiwa Saitô
- Â Hajime's mother 14 episodes, 2023
- Kaori Maeda
- Â Chika Yonezawa 13 episodes, 2023
- Daisuke Ono
- Â Hiroaki Ayukawa 12 episodes, 2023
- Konomi Kohara
- Â Mari Tateishi 11 episodes, 2023
- Shintarô Asanuma
-  Yô Hatori 11 episodes, 2023
- Ryôtarô Okiayu
-  Ryûji Aono 8 episodes, 2023
- Sayumi Suzushiro
- Â Hajime Aono (young) / ... 8 episodes, 2023
- Aino Shimada
- Â Announcement / ... 8 episodes, 2023
- Hayato Kaneko
- Â Takeda-sensei 8 episodes, 2023
- Lynn
- Â Shizuka Tachibana 7 episodes, 2023
- Emiko Takeuchi
- Â Student / ... 7 episodes, 2023
- Erisa Kuon
- Â Orchestra Member / ... 7 episodes, 2023
- Fuka Izumi
- Â Suzuki / ... 6 episodes, 2023
- Anna Nagase
- Â Orchestra Member / ... 6 episodes, 2023
- Mai Kanazawa
- Â Himeko Susono 6 episodes, 2023
- Chihiro Shirata
- Â Orchestra Member / ... 6 episodes, 2023
- Haruka Fushimi
- Â Audience / ... 6 episodes, 2023
- Rico Sasaki
- Â Tomita 5 episodes, 2023
- Hisako Kanemoto
- Â Takami Kimura 5 episodes, 2023
- Chika Anzai
- Â Mizuki Machii 5 episodes, 2023
- Jun Fukushima
- Â Osamu Shibata 5 episodes, 2023
- Ruriko Aoki
- Â Tsubasa Takahashi 5 episodes, 2023
- Takuya Makimura
- Â Audience / ... 5 episodes, 2023
- Kazuki Miyagi
- Â Student / ... 5 episodes, 2023
- Rina Satô
- Â Haru's Mother 4 episodes, 2023
- Mai Fuchigami
- Â Kayo Takimoto 4 episodes, 2023
- Saho Shirasu
- Â Iizuka 3 episodes, 2023
- Romi Park
- Â Nao's Grandmother 3 episodes, 2023
- Manaka Iwami
- Â Nao Saeki (young) 3 episodes, 2023
- Akira Sekine
- Â Shinozaki's Friend 3 episodes, 2023
- Kôseki Kogure
- Â Man / ... 3 episodes, 2023
- Reo Osanai
- Â Marie / ... 3 episodes, 2023
- Kazuki Ura
- Â Ben 2 episodes, 2023
- Nichika Ômori
- Â Shinozaki's Friend 2 episodes, 2023
- Mitsuhiro Sakamaki
- Â Horror Movie Guy / ... 2 episodes, 2023
- Saki Kobari
- Â Middle School Student / ... 2 episodes, 2023
- Haruka Shiraishi
- Â Orchestra Member 1 episode, 2023
- Hidenari Ugaki
- Â Math Teacher 1 episode, 2023
- Shûichirô Umeda
- Â Male Student 1 episode, 2023
- Ken'ichirô Matsuda
- Â Yamada's Father 1 episode, 2023
- Masaaki Mizunaka
- Â Male Student 1 episode, 2023
- Yurina Amami
- Â Orchestra Member 1 episode, 2023
- Yuki Okada
- Â Clerk 1 episode, 2023
- Yû Wakabayashi
- Â Male Student 1 episode, 2023
- Toshiki Iwasawa
- Â Tennis Club Manager 1 episode, 2023
- Ayahi Takagaki
- Â Nao's Mother 1 episode, 2023
- Akio Nojima
- Â Nao's Grandfather 1 episode, 2023
- Atsushi Ono
- Â Finn 1 episode, 2023
- Kanata Aikawa
- Â Kindergarten Child 1 episode, 2023
- Yukihiro Nozuyama
- Â Male Student 1 episode, 2023
- Saki Takahashi
- Â Orchestra Member 1 episode, 2023
- Ayasa Goto
- Â Izumi Takamaru 1 episode, 2023
- Reiô Tsuchida
- Â Male Student 1 episode, 2023
- Mikoto Nakai
- Â High School Student 1 episode, 2023
- Reina Aoyama
- Â Freshman 1 episode, 2023
- Taihi Kimura
- Â Middle School Student 1 episode, 2023
- Risa Tsumugi
- Â Woman 1 episode, 2023
- Takeru Kikuchi
- Â Middle School Student 1 episode, 2023
- Yumiko Konatsu
- Â Orchestra Member 1 episode, 2023
- Tomohiko Nakashima
- Â Driver 1 episode, 2023
- Misao Kobayashi
- Â Orchestra Member 1 episode, 2023
- Satomi Hongo
- Â Female Student 1 episode, 2023
- Kaede Yuasa
- Â High School Student 1 episode, 2023
- Kyo Yaoya
- Â Butcher 1 episode, 2023
- Aya Gomazuru
- Â Female Student 1 episode, 2023
- Kousuke Kiminarita
- Â Male Student 1 episode, 2023
- Kanade Koshino
- Â Freshman 1 episode, 2023
- Shinji Nagano
- Â Driver 1 episode, 2023
- Naoki Kuwata
- Â Reporter 1 episode, 2023
- Sayaka Kamitani
- Â Middle School Student 1 episode, 2023
- Rumi Okubo
- Â Sanae Iida unknown episodes
- Takahiro Mizushima
- Â Tsutomu Kikuchi unknown episodes
