Ratter is a 2016 American found footage drama, thriller and horror film written and directed by Branden Kramer. The film is based on a short film also written and co-directed by Kramer titled Webcam. Ratter Movie cast Ashley Benson, Matt McGorry, and Rebecca Naomi Jones. The film had its world premiere at the 2015 Slamdance Film Festival on January 24, 2015. The film was released on February 12, 2016, in a limited release by Destination Films and Vertical Entertainment.