The Darkest Evil is a 2017 supernatural science fiction horror thriller film.
A mother (Kate Beckinsale) find herself in danger for her own hunband after he kills his ex-girlfriend by mistake now. And try to risked her hunband's life when he is at danger from the stalked.
- Josh Brolin as Ethan Stewart
- Kate Beckinsale as Katie Stewart/Ethan's wife and Erica's mother
- Caitlin Carmichael as Erica Stewart/Ethan and Katie's 12-year-old daughter
- Jessica Tyler Brown as Abigail "Abby" Stewart/Ethan and Katie's 10-year-old daughter and Erica's sister
- Briana Evigan as Phoebe Harper/Erica and Abby's babysitter
- Kate Bosworth as Scarlett Turner/Ethan's ex-girlfriend who was murder by Ethan for his revenge on her