Issei Yuuki (voice)
Jeff (voice)
Chief Kodai (voice)
Manabu Yamato (voice)
Mayu Hoshino (voice)
Mī-kun (voice) / Gugi (voice)
Hannah (voice) / Narration (voice)
Tsuyoshi Yūki (voice) / Yuri (voice)
Jin Ren (voice)
Leiji Matsumoto (voice)
Fū the Alien (voice) / Yūki's Mother (voice)
Yūki's Grandmother (voice)
Yūki's Grandfather (voice)
Simba (voice)
Eri Yūki (voice)