When Jeff gets home at the beginning of the film, there is a Chucky doll in the living room. Jeff is played by Alex Vincent who was Chucky's target Andy Barclay throughout the Child's Play film series.
At the beginning of the film when Jeff (Alex Vincent) is throwing the toys in the living room on the floor to put down his school binder, he's wearing a jacket, but between shots, he's seen without it, and when it cuts back, he's wearing the jacket again.