Roustabout is a 1964 American musical feature film starring Elvis Presley as a singer who takes a job working with a struggling carnival. The film was produced by Hal Wallis and directed by John Rich from a screenplay by Anthony Lawrence and Allan Weiss. The screenplay was nominated for a Writers Guild of America award for best written American musical although Roustabout received a lukewarm review in Variety. The film's soundtrack album was one of Elvis Presley's most successful, reaching no. 1 on the Billboard Album Chart. It was filmed in Techniscope at Paramount Studios, with carnival sequences shot in Thousand Oaks, California. Filming began in March 1964.

Harold Brent Wallis was an American film producer. He is best known for producing Casablanca (1942), The Adventures of Robin Hood (1938), and True Grit (1969), along with many other major films for Warner Bros. featuring such film stars as Humphrey Bogart, John Wayne, Bette Davis, and Errol Flynn. As a producer, he received 19 nominations for the Academy Award for Best Picture.