Sorpresa

田中ちえ美

Rikka (voice)

村上奈津実

Chiyo (voice)

佐倉綾音

Sekine (voice)

潘めぐみ

Tsubasa (Tsuyoshi) (voice)

芹澤優

Tsubasa (Older Sister) (voice)

広瀬裕也

Hanzо̄ (voice)

上田燿司

Brian-sensei (voice)

金田朋子

Maskuma (voice)

大塚芳忠

Narration (voice)

小野大輔

Head of the Research Institute (voice)

石毛翔弥

Male Student 1 (voice)

古屋亜南

Male Student 2 (voice)

堂島颯人

Male Student 3 (voice)

斎藤こず恵

Cosmic Pig Host (voice)

引坂理絵

Space Octopus (voice)