Supernatural spinoff Wayward Sisters adds first new cast member

If you’ve never heard of Yadira Guevara-Prip, it’s not surprising. The young actress’ IMDb page is on the thin side. But if all goes according to the CW’s plan for Wayward Sisters, a spin-off of the long-running Supernatural, Guevara-Prip will have a starring role helping slay all kinds of things that go bump in the night.