Yoshito Chûjô
Pilot Azusa Kisaragi
Mechagodzilla Operator Kyôsuke Akiba (as Mitsuki Koga)
Dr. Shin'ichi Chûjô (Linguist / Yoshito's father)
Premier Hayato Igarashi
General Dobashi
JSDF Lieutenant Togashi
Shobijin (Twin Fairy)
Shobijin (Twin Fairy) (as Chihiro Ôtsuka)
JSDF Chief Hitoyanagi
Sgt Woodyard
Gorô Kanno
Akane Yashiro
Lieutenant Hayama
Reporter
Gojira
Mekagojira
Shun's Mother
Syun Chûjô
Scientist in monster DNA repository
Isao Akiba
News Reporter (uncredited)
News Reporter at press conference (uncredited)