“Train Dreams" writer-director Clint Bentley discusses the themes and challenges of making the period drama, working with Joel Edgerton, William H. Macy and the rest of the cast in developing their characters, and the music, cinematography and visual style. Also, casting director Francine Maisler talks about her prolific career (including recent work on “Sinners,” “Springsteen Deliver Me From Nowhere,” “The Lost Bus” and “Ella McCay) and also the fact that the Oscars is this year introducing a new competitive category for best casting.

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