Kumiko Watanabe
(Sergeant Keroro (voice))
Etsuko Kozakura
(Private Second Class Tamama (voice))
Jouji Nakata
(Corporal Giroro (voice))
Takehito Koyasu
(Sergeant Major Kururu (voice))
Takeshi Kusao
(Lance Corporal Dororo (voice))
Houko Kuwashima
(Fuyuki Hinata (voice))
Chiwa Saito
(Natsumi Hinata (voice))
Akiko Hiramatsu
(Aki Hinata (voice))