The 20-year-old actress was joined by her co-star Emory Cohen and director John Crowley.
Earlier in the day, Saoirse and Emory promoted the film during a portrait session at the annual festival.
“I get very emotional when I talk about it; I hope I’m not going to start crying,” Saoirse shared to Los Angeles Times about making the movie. “I never had a film affect me like that. It was very much a passion project for all the people involved.”
10+ pictures inside of Saoirse Ronan at the Brooklyn premiere… More Here! »