Eric Carter

Michael Keith

Acting

Dr. Arnold Johnson

Harry Holcombe

Acting

Yutaka Omura

James Yagi

Acting

Osamu Sakurai

高島忠夫

Acting

Kazuo Fujita (as Keji Sahaka)

佐原健二

Acting

Mr. Tako (as Ichiro Arishima)

有島一郎

Acting

Osamu Sakurai (voice) (uncredited)

George Takei

Acting

Mr. Tako / Dr. Shigesawa / Dr. Akira Makino / General Masami Shinzo / Commander Roberts / Narrator (voice) (uncredited)

Les Tremayne

Acting

Newscaster (uncredited)

Byron Morrow

Acting

Fumiko Sakurai (uncredited)

浜美枝

Acting

Tamiye (uncredited)

若林映子

Acting

Chikiro's Mother (Dancing Girl) (uncredited)

根岸明美

Acting

Dr. Shigezawa (uncredited)

平田昭彦

Acting

Kinzaburo Furue (uncredited)

藤木悠

Acting

General Masami Shinzo (uncredited)

田崎潤

Acting

Faro Island Chief (uncredited)

小杉義男

Acting

Witch Doctor (uncredited)

沢村いき雄

Acting

Dreary Newscaster (uncredited)

田武謙三

Acting

Dr. Akira Makino (uncredited)

松村達雄

Acting

Rodrigo Infanta (uncredited)

Victor Millan

Acting

Commander Roberts (uncredited)

Douglas Fein

Acting

Godzilla (uncredited)

中島春雄

Acting

King Kong (uncredited)

広瀬正一

Acting

Godzilla in iceberg (uncredited)

手塚勝巳

Acting

Misc. Characters (voice) (uncredited)

Paul Mason

Production

Misc. Characters (voice) (uncredited)

Bruce Howard

Writing