Disney is bringing the beloved Mary Poppins character back for another go, and another Disney alum has joined the anticipated sequel. Five-time Tony Award winner Angela Lansbury has joined the cast of Mary Poppins Returns, a film that already boasts top stars like Emily Blunt, Lin-Manuel Miranda, and Meryl Streep. The cast also includes Colin Firth plays William Weatherall Wilkins, the man who runs Fidelity Fiduciary Bank, and Dick Van Dyke plays Mr. Dawes Jr.