VIDEO : Will Julie Andrews & Dick Van Dyke Appear in the Mary Poppins Seque?

Bruce Glikas/FilmMagic, Walt Disney Pictures/Entertainment Pictures/ZUMAPRESS.com The upcoming Mary Poppins sequel just got even better. We already know that Emily Blunt and Lin-Manuel Miranda are set to star in the Rob Marshall -directed musical movie, but now I'm hearing...plans are also underway for Julie Andrews and Dick Van Dyke to appear in the film.