Continuity mistake: When Deep Dark Secret breaks the jar to free the emotions, look at where the emotions are standing, and how the huge piece of glass lands behind them. In about three seconds, the piece of glass changes position, and some of the emotions switch places. (00:33:08)
Continuity mistake: When Jessica kills the sniper with the rock at the beginning, the sniper's body is lying dead on the ridge. When she shuffles down the dune to speak to Paul, mere seconds later, the sniper's body is no longer there. (00:09:04)
Continuity mistake: Julia grabs her sweater and wraps it around her right wrist. Shot changes and she is picking it up again, but now she grabs it with her left hand. (00:57:30)
Continuity mistake: In the staff room of the toy store, Callum gives Jack his Monopoly box to hold. The box does a 180° spin between shots, twice.
Continuity mistake: When Eddie and Martin meet for the first time in the woods and they are having a conversation, Rhys Ifans wears his necklace with the pendant above his clothes in the majority of the shots, except the ones when the camera is focused on Tom Hardy and he is facing left. In those shots, the pendant is under the T-shirt.
Continuity mistake: When the possessor moves the tricycle down the street to the Ghostbusters HQs, the doors get blown off the entrance, and the Ghostbusters log/sign falls to the ground (seemed like a soft landing, in that it didn't seem to shatter... but when the long shot of the ice/frost proceeding to the firehouse (Ghostbusters HQ) is shown, the fallen signage is nowhere to be seen. (01:29:38 - 01:32:11)
Continuity mistake: When Lucius asks the doctor to give him the prison keys and send a message to the soldiers at Ostia, Lucius' arm is bent around the prison bars, except for a brief shot where it's suddenly straight; then the shot changes and it's bent again.
Continuity mistake: When Marcus is in the car, his grip on the phone changes between shots: sometimes he holds it with all his hand, but at other times just with his thumb and index finger. (00:14:58)