Noboru Kaneko
Yoshito Chûjô
Miho Yoshioka
Pilot Azusa Kisaragi
Mitzuki Koga
Mechagodzilla Operator Kyôsuke Akiba
Hiroshi Koizumi
Dr. Shin'ichi Chûjô
Tsutomu Kitagawa
Gojira
Motokuni Nakagawa
Kiryu
Akira Nakao
Premier Hayoto Igarashi
Koichi Ueda
General Dobashi
Tatsuki Omori
Shun Chujo
Koh Takasugi
JSDF Lieutenant Togashi
Norman England
Sgt Woodyard
Yumiko Shaku
Akane Yashiro
Yûsuke Tomoi
Lieutenant Susumu Hayama
Takeo Nakahara
JSDF Chief Hitoyanagi
Naomasa Musaka
Goro Kanno
Yasuo Kurashiki
Reporter
Noriko Watanabe
Shun's Mother
Kōji Shimizu
Isao Akiba
Masami Nagasawa
Shobijin
Chihiro Ohtsuka
Shobijin
Masaaki Tezuka
Scientist in monster DNA repository (uncredited)