Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.
as Akio
as Tom
as Tomoko
as Dr. Shiga
as Officer Kon Kondo
as Kuniko
as Florbella
as Elza
as Barbella
as Gamera
as Toshio Sakurai (archive footage)
as Eiichi Kanamura (archive footage)
as Masao Nakaya (archive footage)
as Jim Crane (archive footage)
