Ari Aster has cast six actors in his A24 thriller Scapegoat. The additions are Spenser Granese (Marty Supreme), Keen Ruffalo (Sterling Point), Jared Abrahamson (F.A.S.T.), Brock Yurich (Test), Indiana Affleck (Company), and Finn Harry (Amazon's Tyrant). A24 and Aster have not disclosed character details or the film's logline.