Check out the trailer for The Beast Within, an upcoming movie starring Kit Harington, Ashleigh Cummings, James Cosmo, and Caoilinn Springall.　　After a series of strange events leads her to question her family’s isolated life on a fortified compound deep in the English wilds, 10-year-old Willow follows her parents on one of their secret late-night treks to the heart of the ancient forest. But upon witnessing her father undergo a terrible transformation, she too becomes ensnared by the dark ancestral secret they’ve tried so desperately to conceal.　　The Beast Within is produced by Merlin...