Mary Poppins five books recount previously unrecorded adventures from her original three visits. As P. L. Travers explains in her introduction to "Mary Poppins in the Park", "She cannot forever arrive and depart." The books were adapted by Walt Disney into a musical film titled "Mary Poppins" (1964), starring Julie Andrews and Dick Van Dyke. The film "Saving Mr. Banks" (2013) depicted the making of the 1964 film. In 2004, Disney Theatrical in collaboration with Cameron Mackintosh (who had previously acquired the stage rights from Travers) produced a stage musical also called "Mary Poppins" in London's West End theatre. The stage musical
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