In the beginning the FBI agent tells a number to Henry to call if he changes his mind. The number is being said aloud: 555-6916. However, when Henry is making a VideoMemo in the kitchen and he swallows the paper with the number on it, we can see that on the paper 555-0196 is written.
When Henry goes to meet the FBI agent at the rail yard, in long distance shots there is no vehicle behind Henry yet when there are close-up shots of Henry you can clearly see a vehicle parked across the rail-lines.
Henry's daughter, Ruthy, is attending a bar mitzvah. She is dressed in a beautiful white, green and blue dress with thin straps. But girls are not allowed to have bare shoulders inside the synagogue, even a guest. Ruthy leaves the house without a jacket to cover her shoulders with.