Gojira, Ebirâ, Mosura: Nankai no daiketto 1966

Searching for his brother, Ryota stows away on a boat belonging to a criminal alongside two other teenagers. The group shipwrecks on Letchi island and discover the Infant Island natives have been enslaved by a terrorist organization controlling a crustacean monster. Finding a sleeping Godzilla, they decide to awaken him to defeat the terrorists and liberate the natives.

Cast:

Akira Takarada
Yoshimura 

Chieko Nakakita
Mrs. Kane (uncredited) 

Kumi Mizuno
Daiyo 

Jun Tazaki
Red Bamboo Commander 

Hideyo Amamoto
Red Bamboo Naval Officer (uncredited) 

Akihiko Hirata
Capt. Yamoto