Shota Tanabe (Tokyo Fujimi Zoo Keeper)

Sachiko Kogure (Akimoto's fiancée/Pianist)

Setsuko Tanabe (Shota's wife)

Mariko Kurita (Director Kurita's daughter)

Momoyo (Shota's mother)

Hideo Hayakawa

Kikuo Yokoyama (Akimoto's sidecar driver/Army Sergeant)

Genji Oshima

Kiyoshi Saito

Masahiro Murakami

Shoichi Takahashi (Director of Tokyo Fujimi Zoo)

Chief of Staff

Hiroshi Kurita (Director of Nagano Zoo)

Keiji Akimoto (Army Major)