Godzilla, King of the Monsters!

Steve Martin

Dr. Yamane

Emiko Yamane

Ogata

Dr. Serizawa

Hagiwara

Dr. Tabata

Seiji

Shinkichi

Dr. Tabata's Assistant

President of Company

Security Officer Tomo Iwanaga

Dr. Yamane / Dr. Tabata (voice) (uncredited)

Ogata / Dr. Serizawa / Hagiwara (voice) (uncredited)