Continuity: In the scene where two motorcycles and a police car are driving the ransom uptown to the hijackers, they get into an accident. The car and one motorcycle are wrecked. In the next scene, the same two motorcycles speed off with the money.

Continuity: Right after the train is hijacked by Robert Shaw at 28th Street station, there are 2 additional hostages in the front car (for a total of 19) that disappear after the train is hijacked between 23rd Street and 28th Street.