21

Trivia: When Cole is beating up Ben for counting cards, before it changes to the next scene, you can see Cole's arm stop for a brief second, which gives away that there is more to that scene.

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Mistakes

Visible crew/equipment: In the very beginning of the movie, Ben is seen riding his bike over the bridge in an aerial shot. Near the top of the screen, if you look carefully at the end of the bridge you can see a police barricade at the end of the bridge. It is there because the bridge is closed for filming.

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Quotes

Kianna: Everybody knows to split eights. My grandmother splits eights.

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Questions

Question: If the 21 game is still played in casinos, there could be hundreds of geniuses who can count and cheat the system as shown in the film. Is this a possibility, or have casinos adopted extra security measures or something?

Answer: Casinos have always looked out for people counting cards, even before the real events that inspired this movie.

pross79

Answer: Yes, most casinos have now upgraded to the automated card shufflers, which constantly shuffle the cards after each deal, so there is no way that counting cards would be possible.

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