Desc: All Eyes on Lenzi: The Life and Times of the Italian Exploitation Titan: Directed by Calum Waddell. With Mikel Koven, Umberto Lenzi, Giovanni Lombardo Radice, John Martin. A look back at the storied career of the late, great exploitation director Umberto Lenzi - as told through the director, in one of his last substantial sit-down interviews, colleagues and critics.