The car the jewel thieves' drive changes colors from white to pink.
After Sergeant Dotty has his violent dream, he wakes up and spills his drink all over the two pictures of Susan, and they are completely covered in red liquid. In the following shot there is barely any liquid visible on the pictures.
As Bob is trying to blow out the candles he's not blowing towards the flames but lower down to not spoil the effect of not being able to blow them out.
As the room with the mirror is breaking apart with Beko in it, strings are visible pulling the draws out of their dressers.
When the jewel thieves are shooting the police car, bullet holes are already in the car as the shots start to appear.
The finger that crawls on the ground to the compact mirror doesn't make any contact with the ground or have a shadow.
When John ties up Susan in the bed he pulls his towel off and is nude, however, when Susan lifts him up he has flesh colored underwear on.
There is quite a bit of dirt and lint that remains on the top of the film frame in many scenes.
As the mirror room is coming apart and Beko is grabbing the book he gave Linda, he can be heard yelling and screaming but his mouth is closed.
When Susan's abusive boyfriend John shows up at Linda's house and opens the door on the Taxi he took, the entire film crew, including the camera man is visible on the door.
When Sergeant Dotty is asking Bob and Linda about the jewel thieves, the entire crew is visible on the side of their car, and most visible in the following shot as he walks away and the car drives past the camera.
When Susan goes into the phone booth to make her International Call, there is quite a bit of condensation all over the outside of the phone booth from its air conditioner. She is supposed to be in Los Angeles, but is obviously in Indonesia because Los Angeles has no humidity, while Indonesia has extremely high humidity.
When Beko tells Bob to break the mirror, a thin silver microphone is visible at the top of the screen for a few seconds until the boom person lifts it out of the shot.