The film is based on Mary Stewart’s The Little Broomstick. In the film, a young girl named Mary discovers a magic flower and flying broomstick in the forest. She soon finds herself whisked off to a mysterious school of magic, where she must risk her life to set things aright. Kate Winslet (Titanic, Divergent), Jim Broadbent (Game of Thrones), and Ruby Barnihill (The BFG) lend their voices to the English-language version.
An Academy-Award nominee, Yonebayashi was an animator on Spirited Away, Howl’s Moving Castle, and Ponyo. He directed The Secret World of Arrietty (see “Biggest Anime Release Of The Year In May”) and When Marnie Was There (see “Studio Ghibli To Adapt 'When Marnie Was There'”).