Continuity mistake: During the party, Stass the assassin, dressed as a waiter, hides his gun underneath a stack of white napkins. When he gets ready to pull the gun out, it is now between the napkins.
Continuity mistake: As Arlo Givens strikes Hunter Mosley with the hair clippers, the clippers are pointed upwards at first, but after the blows, they point downwards. (00:07:35)