EXCLUSIVE: Ari Aster has added six to the cast of his new A24 thriller, Scapegoat: Spenser Granese (Marty Supreme), Keen Ruffalo (Sterling Point), Jared Abrahamson (F.A.S.T.), Brock Yurich (Test), Indiana Affleck (Casey Affleck’s upcoming Company) and Finn Harry (Amazon’s upcoming Tyrant).