Sergeant Keroro The Super Duper Movie 4: Crushing Invasion, Dragon Warriors

Mysterious giant beings called "Ryū no Shippo" (Dragon Tails) appeared across the world. Due to the danger it could bring, the Keroro Platoon did a worldwide research on the Dragon Tails, but Tamama suddenly disappeared during the research. Because of this, the whole platoon started their search for Tamama and ended up in Mont-Saint-Michel, France where they met mysterious girl named Sion, who holds the mysterious Ryū no Hon (Dragon Book). But little they know about the secrets about her and the worldwide calamity that would destroy the entire world, as they know it...

Billed Cast

Daisuke Gori

Pierre (voice)

Etsuko Kozakura

Tamama (voice)

Ikue Otani

Terara (voice)

Jouji Nakata

Giroro (voice)

Kumiko Watanabe

Sergeant Keroro (voice)

Nana Mizuki

Sion (voice)

Takehito Koyasu

Kururu (voice)

Takeshi Kusao

Dororo (voice)

Akiko Hiramatsu

Aki Hinata (voice)

Akira Ishida

Saburo (voice)

Chiwa Saito

Natsumi Hinata (voice)

Haruna Ikezawa

Momoka Nishizawa (voice)