Gojira (1954) - This Footprint Is Radioactive!

From the original Toho Films feature, Takashi Shimura as Dr. Yamane, beginning to realize what they’ve got on their hands, Sachio Sakai as the reporter Hagiwara, Momoko Kôchi as his daughter Emiko, then the first appearance on screen of the monster designed by Teizo Toshimitsu, Akira Watanabe and Eiji Tsubayara, later known as Godzilla, in Gojira, 1954.