High Quality Content by WIKIPEDIA articles! Walter "Wally" Pfister (born July 8, 1961) is an Academy Award-winning American cinematographer, who is best known for his work on Christopher Nolan`s films, including Memento, Insomnia, Batman Begins, The Prestige, The Dark Knight, and Inception. Pfister is also known for his work on director F. Gary Gray`s The Italian Job and Bennett Miller`s Moneyball.