Kei (voice)

Akira Ishida

Pipi (voice)

Megumi Han

Geo (voice)

Satsumi Matsuda

Dr. Brain (voice)

Hiroshi Iwasaki

Narrator (voice)

Hiroki Touchi

Key Animation

Minefumi Harada

Key Animation

Hiromi Niioka

Key Animation

Yoshiyuki Tokinaga

Key Animation

Mitsuru Nasukawa

Director

Mitsuru Nasukawa

Script

Isao Murayama

Storyboard

Mitsuru Nasukawa

Music

Kei Yoshikawa

Character Designer

Akemi Yokota