On screen
Cast
21 credited performers
Makoto Koichi
Sergeant Keroro (voice)
Toshiki Masuda
Corporal Giroro (voice)
Rika Nagae
Private Second Class Tamama (voice)
Kosuke Echigoya
Sergeant Major Kululu (voice)
Satoshi Inomata
Lance Corporal Dororo (voice)
Yuki Sakakihara
Fuyuki Hinata (voice)
Minori Fujidera
Natsumi Hinata (voice)
Chiwa Saito
Aki Hinata (voice)
Kana Ichinose
Angol Mois (voice)
Sumire Morohoshi
Momoka Nishizawa (voice)
Hiiro Ishibashi
Mutsumi Hojo (voice)
Koko
Koyuki Azumaya (voice)
Masato Niwa
Voice of Incoming Message (voice)
Satomi Arai
Narration (voice)
Hisao Egawa
Supreme Commander of the Keron Army (voice)
Taihi Kimura
Keron Military Policeman #1 to #4 (voice)
Roku Hasegawa
Keron Soldier (voice)
Takayuki Nakatsukasa
Mother Black Star (voice)
Chiyuki Miura
Ghost-chan (voice)
Riri Yoshikawa
Satsuki Shiwasu (voice)
Keina Yamada
Yayoi Shimotsuki (voice)