Mister Roberts is a 1955 American CinemaScope comedy-drama film directed by John Ford and Mervyn LeRoy, and features an all-star cast including Henry Fonda as Mister Roberts, James Cagney as Captain Morton, William Powell (in his final film appearance) as Doc, and Jack Lemmon as Ensign Pulver. Based on the 1946 novel and 1948 Broadway play, the film was nominated for the Best Picture and Best Sound, Recording (William A. Mueller) Oscars; Jack Lemmon received the 1955 Academy Award for Best Supporting Actor.