Full cast of Sekai Ichi Hatsukoi: The World's Greatest First Love

Tomoaki Maeno

Yukina, Kou (voice)

24 episodes

Shinnosuke Tachibana

Yoshino, Chiaki (voice)

24 episodes

Yuichi Nakamura

Hatori, Yoshiyuki (voice)

24 episodes

Toshiyuki Morikawa

Isaka, Ryuuichirou (voice)

24 episodes

Koji Yusa

Otoko

24 episodes

Katsuyuki Konishi

Takano, Masamune (voice)

24 episodes

Takashi Kondo

Onodera, Ritsu (voice)

24 episodes

Kenyu Horiuchi

Yokozawa, Takafumi (voice)

24 episodes

Nobuhiko Okamoto

Kisa, Shouta (voice)

24 episodes

Hiroshi Kamiya

Yanase, Yuu (voice)

12 episodes