- 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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[last lines]
Dr. Kyohei Yamane: I can't believe that Godzilla, was the last of his species. If nuclear testing continues, then someday, somewhere in the world, another Godzilla may appear.
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Chief of Emergency Headquarters: This is quite a problem, professor. If this keeps up, we'll have to suspend the international shipping routes. Have you found a way? Is there something we can do to defeat it?
Kyohei Yamane-hakase: So, that's it...
Chairman of Diet Committee: Professor Yamane, let's be honest. If there's a way to defeat Godzilla, we need to know.
Kyohei Yamane-hakase: It's impossible! Godzilla absorbed massive amounts of atomic radiation and yet it still survived! What do you think could kill it? Instead, we should focus on why it is still alive. That should be our top priority!