- Godzilla's head has mechanical devices to control the eyes and mouth, and uses batteries to control part of the body's movements, while the tail can only be moved by other employees hanging from copper wires .
- The visual effect of Godzilla's jet flame is achieved through the combination of natural gas and hand-painted .
- Due to technical limitations, Godzilla's holster actors need to take turns to perform in latex costumes weighing up to 63 kilograms .
- Godzilla's holster actor Haruo Nakajima is a judo master who designed many fighting scenes for Godzilla .
- The film was introduced to the United States by Hollywood in 1956 and became the first Japanese film to be screened in the United States .
- The American version of the film cut some of the more obvious political scenes. Actor Raymond Burr was added to cater to English-speaking audiences .
Godzilla behind the scenes gags
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News Reporter: O peace, O light, hasten back to us-- that's the prayer of peace being offered up nationwide today. We're broadcasting one such scene from Tokyo. Listen to these young girls as they sing from their hearts.
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[Trian passengers discuss the appearance of Godzilla]
Woman on train: This is awful. Atomic tuna, radioactive fallout, and now this Godzilla to top it off! What if he shows up in Tokyo Bay?
Man on train: He'll probably go straight for you first.
Woman on train: You're horrible! I barely escaped the atomic bomb in Nagasaki, and now this!