In the holographic security image, Donna is shown with her customs declaration in her hand, which indicates her date of birth as 09 March 1983. However, on the picture of Donna's passport that Hoffman later uploads on the system mainframe, her birth date is shown as 27 Feb 1979.
During the chase scene, the S10 blazer can be seen with the hood popped in the unlatched position in the shot just before another white car turns the corner following in their direction, causing the chase car to flip over.
After the S10 Blazer gets run into, and after the major wakes up, the Blazer becomes a Mercury Mountaineer.
He finishes the water in the cup, then throws the empty cup and its content of water at the woman.
During the Central Park battle, a hook is clearly seen on one of the soldiers which pulls him back as a werewolf jumps him.
Major Hoffman is shown firing a tranquilizer pistol at a werewolf, but the sound it makes upon firing is that of a regular pistol. And when he misses, you can clearly hear the sound of a bullet not a tranquilizer dart hitting the wall.
During the car chase through New York, the stunt driver of the white car can be clearly seen when the vehicle flips.
Despite the opening scene being set in JFK Airport in New York City, all of the police cars say NFTA (Niagara Frontier Transportation Authority) on them; NFTA is based in Buffalo, NY. The response time would've been about seven hours for police cars to arrive.
Garbage bins seen in an alleyway in "Manhatten" clearly say Buffalo.