Heita Sakurai
Junpei Tanabe
Senichiro 'Sen-chan' Fukuda
Jiro
Nakajima Ise
Kapi(voice)
Taro Fujikawa
Mokichi Tamura
Inokori Saheiji
Keima Sunagawa
Captain Yamada (as Furankî Sakai)
Ichiro
Shu
Frank Ômori
Seiji, the Farher
Rukuheita Sakai / Kogorô Sakai
Tokuemon
Zenta Yamakawa
並木大作
Jet Kid Jiro
Daisuke Matsumoto
Honiden Matahachi
Tsutaya
Tadashi Ono
Photographer
Army Captain Prince Tamenaga
Nozaki
Goro Yoda
Clown
Tomimatsu Shimizu
Jazz Tanuki
Fukuzo
Kunio Yamato
Kinichi Koyama
Professor Sakai / Mr. Sakai
Isenokami
Kamenosuke Dewa-no-kouji
Tachibana's Old Friend A
Goro
Inspector Kawai
Moriyama
Sakai
Shimizu Toyomatsu
Seizo
Shinichi Tamaki
茶刈デンスケ
Santaro Monma
Willie Tanaka (Jupiter Secretary)
George Okitsu (3rd-gen Japanese American)
George Okitsu (Third-generation Japanese-American)
Tsuyoshi Kemachi (Sales Section Chief)
Annaka Ruiji (Chiol Japan Manager)
Ruiji Annaka
Pekero Dos Araki (Third-gen Brazilian)
Pecoro dos Araki (2nd-gen Japanese Brazilian)
Jiro Sakai
Tetsuo Matsumoto
Yabu
Yuji Aso