Sometimes it's what we don't see that's important.
Because of the complexity of the production, the entire film was storyboarded. This is believed to be the very first time this was done for a Japanese film.
It was not uncommon for a cup of Haruo Nakajima’s sweat to be drained from the Gojira suit.
The first made Godzilla suit weighed around 200 pounds, making it rather difficult for the performer (Haruo Nakajima) to move around in.