← Back to A Star Brighter Than the SunA Star Brighter Than the Sun — Full Credits
Actor
Anjali Kunapaneni — Mio Kagawa, Young Koki Kamishiro
Yuki Ono — Kouki Kamishiro- Yûji Kameyama — Komori, Nishino, Elementary School Teacher, Sawada, School Announcement, Soccer Club Boy, Upperclassman
- Souhei Horikane — Kondo, Aiba, Male Student, Middle School Boy, Soccer Club Member
Taito Ban — Youta Ayukawa, Yota Ayukawa- Ryôta Ôsaka — Yushin Izawa, Yuushin Izawa
Yûji Ueda — Masaru Kobayashi- Hiromu Mineta — Kinoshita, Kuramoto, Male Student, Saito
- Toshinari Fukamachi — Takuya Watanabe
- Satoru Ito — Teacher, P.E. Teacher, Male Teacher, Middle School Homeroom Teacher, Sae's Father
- Jonathon Ha — Ike, Additional, Soma
Kirk Thornton — Additional, Masaru Kobayashi- Stephen Fu — Additional, Yota Ayukawa
Caleb Yen — Additional, Yushin Izawa
Joe Brogie — Additional, Kuramoto- Axl Rodríguez — Yushin Izawa
- Michael Rivas — Spy-D Man
Nick Wolfhard — Kinoshita
Maxwell Acee Donovan — Koki Kamishiro
Actress
Yuuki Luna — Hisui Onodera- Hina Yomiya — Hisui Onodera
- Chiko Mizumori — Honda, Sae's Mother, School Store Lady, Upperclassman
- Minori Fujidera — Sae Iwata
- Mutsumi Tamura — Mio Kagawa
- Miki Natsutani — Saito, School Physician, Female Student, Healthy Student, Upperclassman
- Wakana Kuramochi — Mori, College Girl, Female Student, Middle School Girl, Rei, Sae's Younger Sister, Upperclassman Guide
Haruka Shiraishi — Subaru Kamishiro, Kudo, Noguchi- Aoi Kureha — Noguchi, Kouki's Mother, Cafe Employee
- Akira Sekine — Murayama, Young Kamishiro, Additional, Curfew Gal, Sae's Even Younger Sister
- Saeko Ôki — Sasaki, Female Faculty, Nagata, Nurse, Young Watanabe
Cherami Leigh — Koki's Mother, Subaru Kamishiro
Felecia Angelle — Additional, Kudo, Sae's Mother
Valeria Rodriguez — Additional, Rei
Audrey Hsieh — Additional, Saito
Jessica DiCicco — Honda
Kitana Turnbull — Additional, Noguchi, Sister, Watanabe
Isabella Crovetti — Sae Iwata
Jenny Silver — Dark Mother- Rei Sakai — Spy-D Man Heroine
