Revealing mistake: When Itto is bathing, near the beginning of the film, he hears the clanking sound and then there is a close-up shot of his face. The start of his wig, the hairline, is visible. (00:08:48)
Revealing mistake: When the sword mistresses kill the ninja we see them slice his whole nose off, however when the ninja's dead body is rolling across the floor you can see his nose is still attached. (00:15:32)
Revealing mistake: When Itto and Daigoro are walking through the forest, just before they are attacked by the group of male ninjas, there is a wide shot and on the left side of the screen you can see a number of cars pass by. (00:31:50)
Revealing mistake: When Itto is battling the group of male ninja in the forest there is a moment when two ninjas throw chains towards Itto and in the close-up shot of the two chains flying at Itto the wires attached to the ends, guiding them, are visible. (00:33:55)
