Melissa Leo Joins Will Smith in Amazon MGM and Miramax Action-Thriller ‘Supermax’ (EXCLUSIVE)

Oscar and Emmy winner Melissa Leo has joined the cast of Amazon MGM Studios and Miramax’s action-thriller “Supermax,” starring Will Smith. David Gordon Green directs the film, which follows two FBI agents investigating a seemingly impossible murder within the impenetrable walls of a maximum-security prison. Lee — whose role remains under wraps — joins the…