Anime Wind Breaker di isi oleh sebanyak 9 karakter utama serta di isi oleh berbagai pengisi suara seperti dikutip laman resmi Fandom, Berikut ini daftarnya:
Karakter Utama dan Pengisi Suara Anime Wind Breaker
1. Yūya Uchida as Haruka Sakura
2. Koki Uchiyama as Kyotaro Sugishita
3. Nobunaga Shimazaki as Hayato Suo
4. Yuichi Nakamura as Hajime Umemiya
5. Ryōta Suzuki as Toma Hiragi
6. Shōya Chiba as Akihiko Nirei
7. Ikumi Hasegawa as Kotoha Tachibana
8. Kengo Kawanishi as Taiga Tsugeura