Continuity: When Ned Broy comes to Vaughan's the night he gets killed the receptionist is sleeping on the counter. He wakes up a few minutes later when the hotel gets raided, and next to him there is a bell that hasn't been there before.

Continuity: When Michael Collins and his men raid the police station they throw torches on the roof. A second later the whole building is on fire, and the policemen run out coughing and gasping for air. However, when the IRA people go in to get the police guns the air is quite breathable.

Continuity: After Kitty wakes up Michael and Harry, the way she holds the water can changes between shots.

Continuity: There is a scene in which two Dublin United Tramways Corporation trams pass in opposite directions. Neither has its trolley pole in contact with the overhead electrical wiring, so the electricity must be jumping the gap to the motor in some way unknown to physics! The trams were, of course, fakes with a petrol engine.