Cast

Michael Keith

Eric Carter

Harry Holcombe

Dr. Arnold Johnson

James Yagi

Yutaka Omura

Tadao Takashima

Osamu Sakurai

Kenji Sahara

Kazuo Fujita (as Keji Sahaka)

Ichirō Arishima

Mr. Tako (as Ichiro Arishima)

George Takei

Osamu Sakurai (voice) (uncredited)

Les Tremayne

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

Byron Morrow

Newscaster (uncredited)

Mie Hama

Fumiko Sakurai (uncredited)

Crew

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William L. Stevenson

Sound Effects (Sound)

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Peter Zinner

Music Supervisor (Sound)

George Worthing Yates

Original Story (Writing)

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Takeo Kita

Production Design (Art)

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Toshio Takashima

Lighting Technician (Lighting)

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Hiroshi Mukoyama

Visual Effects (Visual Effects)

Eiji Tsuburaya

Special Effects (Crew)

Hajime Koizumi

Director of Photography (Camera)

Sadamasa Arikawa

Special Effects (Crew)

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Kenji Aoki

Choreographer (Crew)