Pet
Main
Marika
Main
Voz: Chiemi Chiba
Galileo Galilei
Main
Voz: Choo
Heinrich Hertz
Supporting
Voz: Juurouta Kosugi
Thomas Edison
Supporting
Voz: Yuuki Tamaki
John Fleming
Supporting
Voz: Masami Kikuchi
Marie Curie-Skłodowska
Supporting
Voz: Masako Nozawa
Isaac Newton
Supporting
Leonardo da Vinci
Supporting
Voz: Isamu Tanonaka
Archimedes
Supporting
Voz: Tomomichi Nishimura
Charles Darwin
Supporting
Voz: Keisuke Oda
