John Papsidera is a casting director based in Los Angeles, California, known for his work in film and television. Papsidera has worked with some of the most successful directors in the world such as Jason Reitman, Roland Emmerich, and Christopher Nolan. He has been nominated for sixteen Artios Awards, and has won four in addition to his five Emmy nominations. His casting credits have included The Dark Knight, Enchanted, and Westworld.