21

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.

Visible crew/equipment: At the bar where the 21st birthday is being celebrated, you will see the microphone/boom come into the shot from the top of the screen. This happens while the "mom" is passing out the cut pieces of cake. It has a bright colored wind screen on it.

Continuity mistake: When Prof. Rosa calls Cole, Terry answers the phone and places Rosa on hold. However, when Cole takes the phone from Terry, he does not take Rosa off of hold and proceeds to talk to him.

Michael Piscitelli

More mistakes in 21

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

More quotes from 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.

More trivia for 21

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.

More questions & answers from 21

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