Sourpuss Morton

Yoshiko Matsuo

Flone Robinson (voice)

Katsuhiko Kobayashi

Johann Robinson - Father (voice)

Michiko Hirai

Elizabeth Robinson - mother (voice)

Toru Furuya

Fritz Robinson - oldest brother (voice)

Makoto Kousaka

Jack Robinson - youngest brother (voice)

Kaoru Kurosu

Emily (voice)

Yoshiko Asai

Emily's Mother (voice)

Kan Tokumaru

Emily's Father (voice)

Atsuko Mine

Emily's Grandmother (voice)

Ichiro Nagai

Morton (voice)

Tamio Ohki

Eliott (voice)

Koichi Kitamura

Gerhardt (voice)

Keiko Hanagata

Haizecupp (voice)

Yoku Shioya

Tom Tom (voice)

Satomi Majima

Marie (voice)