Akihiko Onoda (小野田昭彦, Onoda Akihiko; December 16, 1927 – July 25, 1984), known professionally as Akihiko Hirata (平田昭彦, Hirata Akihiko), was a Japanese film actor. He is known for his work in the kaiju genre, including such films as King Kong vs. Godzilla, The Mysterians, Godzilla vs. Mechagodzilla, Terror of Mechagodzilla, and his most famous role of Dr. Daisuke Serizawa, the brilliant but disturbed young scientist in the original Godzilla, released in 1954. He starred in many movies, including Hiroshi Inagaki's Samurai trilogy. Hirata was married to actress Yoshiko Kuga from 1961 until his death in 1984. He died at age 56 after a long battle with lung cancer. (Via Wikipedia)