Kumiko Watanabe

Sgt. Keroro (voice)

Etsuko Kozakura

Private Second Class Tamama (voice)

Jouji Nakata

Corporal Giroro (voice)

Takehito Koyasu

Sergeant Major Kululu (voice)

Takeshi Kusao

Lance Corporal Dororo (voice)

Chiwa Saito

Natsumi Hinata (voice)

Houko Kuwashima

Fuyuki Hinata (voice)