Other mistake: In the opening credits of the movie, actress Luana Ravegnini's last name is misspelled as "Ravagnini" (00:01:20)
Continuity mistake: When Lucas visits Meg at the juvenile home, he carries a stuffed toy monkey by the leg. When the camera angle changes, he is holding the monkey by the neck. (01:08:15)
Continuity mistake: When Tim gets stabbed, the killer's silhouette shows that he's holding his knife overhand. When he stabs Tim, he's holding the knife underhand.
Continuity mistake: In the beach scene the boys are eating ice cream cones. The ice cream keeps changing size.
Visible crew/equipment: Early in the movie Nancy visits Penelope. As she steps out of her car, the overhead microphone is visible in the front windscreen. (00:15:30)
Revealing mistake: When the Russians are in the Finn's trench, you see the Finns stabbing the Russians. If you look carefully, on a few of the Russians you can see protection visible. (00:48:45)
Continuity mistake: When Alex is speaking with Christopher in their dorm room she's wearing a pink top with the right shoulder down. Then it's pulled up in one shot before being back off the shoulder again.
Continuity mistake: When Fuller falls to his death, the mannequin used as his stand-in gets decapitated on its way down. It even makes a loud noise. When Fuller lands, however, his head is still on his shoulders.
Character mistake: Despite being blind, Erika Breen's able to locate light switches and door knobs throughout the movie without feeling for them like a blind person would do.