Mary Poppins (musical) community theatres to produce due to the popularity of the film and books. In 1993, theatrical producer Cameron Mackintosh met P.L. Travers and acquired the rights to develop a stage play adaptation of her "Mary Poppins" books. She only agreed to a stage production as long as the creators were all English, and no one who had worked on the film. She died in 1996. In 2001, Mackintosh and the head of Disney Theatrical Thomas Schumacher opened talks on a possible collaboration, so that the stage play would be able to use the songs from the Disney film. With both
Mary Poppins Returns script. On February 18, 2016, Emily Blunt was cast in the film to play the title role in the sequel. On February 24, 2016, Lin-Manuel Miranda was cast in the film to play Jack, a lamplighter. In April 2016, Disney confirmed that the film was in development and that Blunt and Miranda had been cast in the lead roles. In May, Disney announced the film's title as "Mary Poppins Returns". By July 2016, Meryl Streep had entered negotiations to join the cast to play cousin Topsy, and in the following month, Ben Whishaw in negotiations to play the grownup Michael