Haruhi Suzumiya (voice)
Kyon (voice)
Yuki Nagato (voice)
Mikuru Asahina (voice)
Itsuki Koizumi (voice)
Ryoko Asakura (voice)
Tsuruya-san (voice)
Taniguchi (voice)
Kunikida (voice)
Kyon's Little Sister (voice)
Tsuruya-san / Kyon's Little Sister (voice)
Reiko Hayama (voice)
Okabe Sensei (voice)
Yamane (voice)
Godou (voice)
Nanaka Onogi (voice)
Yoshimi Sakanaka (voice)
Noboru Toyohara (voice)
Kennosuke Arakawa (voice)
Girl (voice)
Mizuho Saeki (voice)
Sakiha Hinata (voice)
Boy (voice)
Kontone Kenmochi (voice) (uncredited)
Daichi Sakaki (voice) (uncredited)
Kanea Yura (voice) (uncredited)
Okabe-sensei (voice) (uncredited)
Masaki Uematsu (voice) (uncredited)