Jane (Emily Mortimer), John (Nathanael Saleh), Annabel (Pixie Davies), Ellen (Julie Walters). Jack (Lin-Manuel Miranda) Georgie (Joel Dawson) and Mary Poppins (Emily Blunt) in Disney’s original musical MARY POPPINS RETURNS, a sequel to the 1964 MARY POPPINS which takes audiences on an entirely new adventure with the practically-perfect nanny and the Banks family.