Moby Dick is a 1956 adventure film directed and produced by John Huston, adapted by Huston and Ray Bradbury from Herman Melville's 1851 novel Moby-Dick. It stars Gregory Peck as Captain Ahab, Richard Basehart as Ishmael, and Leo Genn as Starbuck, with supporting performances by James Robertson Justice, Harry Andrews, Bernard Miles, Noel Purcell and Orson Welles as Father Mapple.