Mary Poppins in 2004, Walt Disney first attempted to purchase the film rights to "Mary Poppins" from P. L. Travers as early as 1938, but was rebuffed because Travers did not believe a film version of her books would do justice to her creation and did not want an animated cartoon based on it. The books had been a favourite of Disney's daughters when they were children, and he finally succeeded in purchasing the rights in 1961, although Travers demanded and got script approval rights. The relationship between Travers and Disney is detailed in "Mary Poppins She Wrote", a biography of Travers,
Mary Poppins (musical) played by Gavin Lee. Notable replacements have included Scarlett Strallen, Lisa O'Hare and Caroline Sheen as Mary Poppins and Gavin Creel as Bert (in July 2006). The show sparked mild controversy not long after its debut when producers Cameron Mackintosh and Thomas Schumacher banned children below 3 years old from entering the theatre, deeming the show too scary for young children. The ban remained throughout the show's entire run, during which the theatre staff were to prevent patrons with children below 3 to enter. The show was officially tagged as being "for children seven years and up". On March 17,