Dick Van Dyke, who starred in the original 1964 Mary Poppins film as Bert the chimney sweep, has confirmed he will appear in the movie's upcoming sequel - Mary Poppins Returns. http://www.youtube.com/watch?v=k_mpaF5-SlU The film will tell the story of an older Jane and Michael Banks and Michael's three children, who are visited by Poppins in the aftermath