Filmmaker and Director Destin Daniel Cretton?s latest film is ?The Glass Castle,? which is about an 11-year-old girl named Jeannette Walls? who grows-up in a poverty stricken household. In a recent interview he discussed his experience creating the film, and gave a huge amount of praise to his young cast. He stated, ?They are kids, so a lot of the time we were shooting with them, it felt like summer camp. They are just so much fun and helped to create that spirit on set.?