The light bulb on Oliver's desk flickers.
There is a bit of dirt on the camera sensor on Oliver's shot in the school flashback in his father's car.
There is a camera shadow on Scarlet's back as she walks to school.
The DP, Anthony Gomez, and the director, Echo Nguyen, as well as camera equipment can be seen in the reflection of the kettle.
There is a crew member in the reflection of the rear view mirror.
The thigh grab broke the 180 rule, so it was flipped in post production.
Michelle DeShazo spills a bit of coffee on herself while taking a sip and walking, but it was kept as it felt and looked natural for the frazzled Emily.