Toward the end when Maddy is climbing toward the safe while dangling from the bars, she continues to advance along the bars and can be seen half way across, but in the long shot from beneath she is still at the first two bars.
When the two boys clap their hands over Maddy's father's mouth, Gus's hand is underneath Austin's hand. But in one of the shots, Gus's hand is over Austin's hand.
Stark Sands's character is clearly referred to on-screen as Chad but, when the credits come up, he's called "Brad".
When Maddy first comes to the bank and Mr. Hartman is offering to show her around her hair is messy for two shots and in the third shot her hair is perfect
When Gus tosses his sock up with the toy race car inside, it changes positions before Maddie picks it up.
When Maddy keys in the password "DENIRO", she only presses the
numeric-type keypad a few times. In fact, using roll-to-next alpha entry, she would have had to press the same key several times (or hold it down) to roll the letters.
When Ferrell falls down after getting electrocuted, he throws his arms out to catch his fall, when he's supposed to be unconscious.