Zack Sharf Bradley Cooper confirmed during a conversation with Mahershala Ali as part of Variety’s “Actors on Actors” series, presented by Amazon Studios, that “Maestro” will finally start filming this May. Netflix’s “Maestro” marks Cooper’s first directorial effort since the blockbuster success of his feature debut, “A Star Is Born.” Cooper also stars in “Maestro” as esteemed Broadway composer Leonard Bernstein, with Carey Mulligan on board to play Bernstein’s wife, Felicia Montealegre.“I wanted to be a conductor since I was a kid,” Cooper told Ali about the new film.