Looking ahead to the holiday movie season, here’s one that should be a costume dream: “Maria,” Pablo Larraín’s drama about legendary opera singer Maria Callas, played by Angelina Jolie. The…

How does a 17-year-old singer from Greece end up sharing the screen with one of the biggest Hollywood stars in the world? For newcomer Aggelina Papadopoulou, who plays young Maria Callas…