Golden Globe winner Emily Blunt joins the 4 Quadrant podcast to talk “The Girl on a Train,” her reaction to not being in the upcoming “Sicario” sequel, the importance of a good cinematographer to an actor — a topic actors rarely talk about — and her excitement about playing the iconic Mary Poppins in Rob Marshall’s “Mary Poppins Returns.” A movie musical that will keep her busy for at least the next 8 months.

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