The lipstick smear on Samantha's face changes between scenes.
At 1:14 as Samantha walks away from Harrison and her mom, Samantha is wearing black boots. Split second later, walking towards the camera, Samantha is wearing white sneakers.
Samantha's leg wound would not heal by itself.
Just after Samantha takes the box of things to her Dad's, she returns to her flat and as she comes in, the shoulder and arm of a crew member are visible behind the door frame.