Zachary Quinto's character pronounces Celtics with a soft "c", like the basketball team. It is pronounced with a hard "c"as if a "k".
Nora Montgomery receives the "eye for an eye" phone call. The caller hangs up and we hear a dial tone. However, the time period is supposed to be the 1920's, dial tone was not introduced until the 1940's.
In the prologue, Chad says "these Golden Delicious" apples were the wrong color, but he was holding a Granny Smith Apple.