Robert Doyle Marshall Jr. is an American film and theater director, producer, and choreographer. He is best known for directing the film version of the Broadway musical Chicago, which was based on the play of the same name by playwright Maurine Dallas Watkins. His work on the film earned him the Directors Guild of America Award for Outstanding Directing – Feature Film, as well as nominations for the Academy Award for Best Director, the Golden Globe Award for Best Director, and the BAFTA Award for Best Direction. He also directed the films Memoirs of a Geisha, Pirates of the Caribbean: On Stranger Tides, Into the Woods, Mary Poppins Returns, and the Disney live-action remake The Little Mermaid.

Chicago is a 2002 American musical black comedy crime film based on the 1975 stage musical of the same name which in turn originated in the 1926 play of the same name. It explores the themes of celebrity, scandal, and corruption in Chicago during the Jazz Age. The film stars an ensemble cast led by Renée Zellweger, Catherine Zeta-Jones, and Richard Gere. Chicago centers on Roxie Hart (Zellweger) and Velma Kelly (Zeta-Jones), two murderers who find themselves in jail together awaiting trial in 1920s Chicago. Roxie, a housewife, and Velma, a vaudevillian, fight for the fame that will keep them from the gallows. The film marks the feature directorial debut of Rob Marshall, who also choreographed the film, and was adapted by screenwriter Bill Condon, with music by John Kander and lyrics by Fred Ebb.