Mothra and her fairies return to Japan to warn mankind that they must return Kiryu to the sea, for the dead must not be disturbed. However Godzilla has survived to menace Japan leaving Kiryu as the nation's only defense.
as Yoshito Chûjô
as Pilot Azusa Kisaragi
as Mechagodzilla Operator Kyôsuke Akiba
as Dr. Shin'ichi Chûjô
as Gojira
as Kiryu
as Premier Hayoto Igarashi
as General Dobashi
as Shun Chujo
as JSDF Lieutenant Togashi
as Sgt Woodyard
as Akane Yashiro
as Lieutenant Susumu Hayama
as JSDF Chief Hitoyanagi
as Goro Kanno
as Reporter
as Shun's Mother
as Isao Akiba
as Shobijin
as Shobijin
as Scientist in monster DNA repository (uncredited)
