Poltergeist (2015)
The re-make to the classic horror film about a family which moves into a house haunted by angry spirits.
Animal Action

In the scene where the man opens the closet and a squirrel runs out, trainers released the from the holding cage. A trainer then used a buzzer to have the squirrel run from point A to point B. On this same day they filmed a scene with a squirrel in a cage. The squirrel was fed water and food between takes.
In the scene where the actor vomits worms in the sink, the actor pantomimed as if he were vomiting in the sink. They cut camera and the trainer placed the worms in the sink.