Mary Poppins is a 1964 American musical fantasy film directed by Robert Stevenson and produced by Walt Disney, with songs written and composed by the Sherman Brothers. The screenplay is by Bill Walsh and Don DaGradi, loosely based on P. L. Travers' book series of the same name. The film, which combines live-action and animation, stars Julie Andrews in the titular role of a magical nanny who visits a dysfunctional family in London and employs her unique brand of lifestyle to improve the family's dynamic. Dick Van Dyke, David Tomlinson, and Glynis Johns are featured in supporting roles. The film was shot entirely at the Walt Disney Studios in Burbank, California.