Continuity mistake: In the scene, at the end, where the girl is running away from the killer, You can see that she is wearing high heels. But when she's climbing the ladder, you can see she is wearing trainers, then high heels again when she's off the ladder.
Continuity mistake: While at the party, Cricket and her bandmates do an informal performance for the other guests. Cricket is sitting in front of the fireplace. In the first shot after the song, Cricket takes her hair down and shakes it out. In the next shot of her, her hair is back up. And in the next shot of her it's back down again.