Blog: In ‘Mary Poppins Returns,’ Lin-Manuel Miranda arrives as a movie-musical star

Miranda and Van Dyke, who makes a joyful cameo in the new film, have more in common than their characters. “He went from ‘Bye Bye Birdie’ to ‘The Dick Van Dyke Show,’ which was 32 episodes a year, and he filmed ‘Mary Poppins’ … on the summer break,” he explained. “I’m not close to busy, compared to Dick Van Dyke when he was making the first film. [On set], we connected on that level a lot.”