After Jenny is kidnapped, two cops show up. When they take Anne's statement, the cops are shown from in front and behind in alternating shots. When shown from in front, both are wearing sunglasses covering their eyes. When shown from behind, one of the cops has his sunglasses pushed up over his forehead.
When Anne is away on business she asks her sister-in-law to check in on her daughter and refers to her nanny as Amber. At this point in the movie Anne believes the nanny's name to be Julie.
Annie refers to her sister in law as Stacy instead of Elise during a phone call regarding Elise being mugged. Stacy is the actress's name playing Elise.