<P> Set in 1930s London, Jane and Michael Banks are now grown - up, with Michael still living in the house on Cherry Tree Lane . He lives there with his three children, Annabel, John, and George, and the housekeeper named Ellen . After Michael suffers a personal loss, Mary Poppins comes back to the Banks family with street lamplighter Jack, and eccentric cousin Topsy . </P> <Ul> <Li> Emily Blunt as Mary Poppins </Li> <Li> Lin - Manuel Miranda as Jack, a lamplighter and apprentice to Bert from the first film . </Li> <Li> Ben Whishaw as Michael Banks, Jane's brother . </Li> <Li> Emily Mortimer as Jane Banks, Michael's sister . </Li> <Li> Pixie Davies as Annabel Banks, Michael's daughter . </Li> <Li> Joel Dawson as George Banks, Michael's older son . </Li> <Li> Nathanael Saleh as John Banks, Michael's younger son . </Li> <Li> Julie Walters as Ellen, Michael's housekeeper . </Li> <Li> Colin Firth as William Weatherall Wilkins, the current president of Fidelity Fiduciary Bank . </Li> <Li> Meryl Streep as Topsy Turvy - Poppins, Mary's eccentric cousin . </Li> <Li> Angela Lansbury as The Balloon Lady </Li> <Li> David Warner as Admiral Boom </Li> <Li> Jeremy Swift as Gooding </Li> <Li> Tarik Frimpong as Angus </Li> <Li> Dick Van Dyke as Mr. Dawes Jr . </Li> </Ul> <Li> Emily Blunt as Mary Poppins </Li> <Li> Lin - Manuel Miranda as Jack, a lamplighter and apprentice to Bert from the first film . </Li>

Who is playing mary poppins in the new mary poppins