Megumi Odaka as Miki Saegusa

Jun Hashizume as Lt. Koji Shinjo

Zenkichi Yoneyama as Lt. Kiyosho Sato

Akira Emoto as Major Akira Yuki

Towako Yoshikawa as Dr. Chinatsu Gondo

Yousuke Saito as Dr. Susumu Okubo

Kenji Sahara as Minister Takayuki Segawa

Akira Nakao as Commander Takaki Aso

Keiko Imamura as Cosmos #1

Sayaka Osawa as Cosmos #2

Kenpachirō Satsuma as Gojira

Ryo Hariya as SpaceGodzilla

Wataru Fukuda as Moguera

Koichi Ueda as Deputy Commander Hyodo

Houka Kinoshita as Moguera Pilot