"American screenwriter" . "Rospo Pallenberg is a screenwriter and film director. He was involved in the writing of the John Boorman films Exorcist II: The Heretic, Excalibur, and The Emerald Forest. He directed the 1989 film Cutting Class.Pallenberg is the son of eminent European physician Corrado Pallenberg, a medical adviser to the Papacy."@en . "Pallenberg, Rospo"@en .