This is a correct answer to the following question about Mary Poppins (film). Yes or no?
Answer: Mary Poppins is a 1964 musical film starring Julie Andrews , Dick Van Dyke , David Tomlinson , and Glynis Johns , produced by Walt Disney , and based on the Mary Poppins books series by P. L. Travers .
Question: who plays mary poppins in the movie
