The Diabolical (2015)

Director: Alistair Legrand
Cast: Ali Larter, Arjun Gupta, Chloe Perrin, Joe Egender, Merrin Dungey, Patrick Fischler, Tom Wright, Wilmer Calderon

Synopsis:

When a single mother and her two young children are tormented by an increasingly strange and intense presence in their quiet suburban home, she turns to her scientist boyfriend to take on the violent forces that paranormal experts are too frightened to face.