<P> Disney learns that Travers is actually her pen name, taken from her father's given name . Her real name is Helen Goff, and she's actually Australian, not British . This gives Disney new insight into Travers, and he follows her to London . Arriving unexpectedly at her door, Disney tells her that he also had a less - than - ideal childhood, but stresses the healing value of his art . He urges Travers to not let deeply - rooted past disappointments dictate the present . Travers relents and grants Disney the film rights . </P> <P> Three years later, in 1964, Mary Poppins is to have its world premiere at Grauman's Chinese Theatre in Hollywood . Disney has not invited Travers, fearing how she might react with the press watching . Prompted by Russell, Travers shows up unannounced at Disney's office; he reluctantly issues her an invitation . Initially, she watches Mary Poppins with a lack of enthusiasm, particularly during the animated sequences . She gradually warms to the rest of the film, however, becoming deeply moved by the depiction of George Banks' personal crisis and redemption . </P> <Ul> <Li> Emma Thompson as Pamela "P.L." Travers, birth name Helen Goff . <Ul> <Li> Annie Rose Buckley as seven - year - old Helen, also referred to as "Ginty" </Li> </Ul> </Li> <Li> Tom Hanks as Walt Disney </Li> <Li> Colin Farrell as Travers Robert Goff, Helen's father </Li> <Li> Ruth Wilson as Margaret Goff, Helen's mother </Li> <Li> Paul Giamatti as Ralph, Travers' chauffeur </Li> <Li> Bradley Whitford as Don DaGradi, co-writer of the screenplay for Mary Poppins </Li> <Li> Jason Schwartzman as Richard M. Sherman, composer and lyricist </Li> <Li> B.J. Novak as Robert B. Sherman, composer and lyricist who co-wrote the film's songs with his brother Richard </Li> <Li> Kathy Baker as Tommie, Disney's executive assistant </Li> <Li> Melanie Paxson as Dolly, Disney's secretary </Li> <Li> Rachel Griffiths as Ellie, Helen's aunt, who serves as the model for Mary Poppins </Li> <Li> Ronan Vibert as Diarmuid Russell </Li> <Li> Kristopher Kyer as Dick Van Dyke </Li> <Li> Victoria Summer as Julie Andrews </Li> </Ul> <Li> Emma Thompson as Pamela "P.L." Travers, birth name Helen Goff . <Ul> <Li> Annie Rose Buckley as seven - year - old Helen, also referred to as "Ginty" </Li> </Ul> </Li>

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