During his getaway towards the end of the film, the rear view mirror of Rex's Lincoln Continental appears and disappears between long shots and close ups.
Stella hops onto her bed after the insurance adjuster leaves and has her shoes on. In the next scene her shoes are gone. Then she falls asleep fully clothed and her husband puts a blanket over her. Whilst dreaming, she still has her black dress on. When she awakes in the morning the dress is gone.
When Mr & Mrs Black are talking on the balcony of the hotel in Malaga from the front Mrs Blacks hair is up and neat around her face but from the rear view there are loose strands of her hair blowing in the breeze.
At 52 minutes the two bottles of beer disappear and shortly after they appear again.
Just after Stephen is pulled from his wrecked car, we see that the tree that has been holding the car back from careening over the cliff has been neatly chopped with an ax at the base.
When Mrs Black arrives at the Malaga hotel, with the people sent to give her a lift, the crew and boom mike are reflected in the side of the car.