A stage musical adaptation of the film opened on Broadway on July 20, 2018, in previews, officially on August 16 at the Nederlander Theatre.[50] This follows an out-of-town tryout at the Oriental Theatre in Chicago, which ran from March 13 to April 15, 2018. The musical has music and lyrics by Bryan Adams and Jim Vallance; the late Garry Marshall and J. F. Lawton wrote the book; and Jerry Mitchell is the director and choreographer.[51] The Chicago and Broadway cast featured Samantha Barks, in her Broadway debut as Vivian and Steve Kazee as Edward. Barks finished her run as Vivian on July 21, 2019, and was replaced by Jillian Mueller the following evening, with Brennin Hunt, of Rent fame, assuming the role of Edward.[51] Orfeh portrayed Kit, and Jason Danieley played Philip Stuckey. Eric Anderson portrayed the role of Mr. Thompson and Kingsley Leggs played the role of James Morse.[50]
The UK and Ireland stage musical tour commenced in Autumn 2023. The show opened in Bristol with cast members, Amber Davies as Vivian, Oliver Savile as Edward. Ore Oduba played Mr Thompson. The run is scheduled to continue through most of 2024.[52]
