joan allen it is devastating --joan: it is devastating, the one of the worst things that can happen,se a child and just not know. when i came in and did some rehearsal -- the room was -- the film was shot sequentially. jake with lenny and with because we did not want jake to get too familiar with me, which was wise. the room was being built on a stage and i made a choice not to look at it. joan wanted to really look at it, but the mother would never know where her daughter was, and what horrible -- what a horrible thing that is, so that was a very -- charlie: because it would somehow make the fear different if you knew what it was like? because just the imagining of what it could be -- you know, i mean, she is probably imagining it been a lot worse than it even was. i did not want to see that either. you know? i just want to have that, you know, sort of, blank slate. charlie: let's take a look at this. this is where -- you are trying to explain to jack there is more to life than the world that he sees. here it is. >> do you remember how -- do you remember how alice was not always in

larson and joan allen written by emma donoghue and directed by lenny abrahamson. >> what ma has to learn -- she helps him to escape and he helps her to escape in a deeper way. she learns she can't go back to what she was. she has to accept that want she's had this life-changing and traumatizing experience and still decide that it's worth going on, and that's primarily in this world and primarily you have -- it has to do with how much her child loves her and how much she loves her child. >> rose: "our brand is crisis" and "room" when we continue. >> rose: funding for "charlie rose" has been provided by: american express. >> rose: additional funding provided by: >> and by bloomberg, a provider of multimedia news and information services worldwide. captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> rose: "our brand is crisis" is the new film from director david gordon green. sandra bullock plays jane bodine who comes out of retirement to help elect a bolivian president. it's a character study of a cynic reaching her limit. here is the tra

joining me now, two of the film's stars, brie larson and joan allen, lenny abramson, and emma donoghuele achievement. congratulations to all of you. there is so much to read into it. is this what your imagination saw as you were writing this, the screenplay, and thinking about the book in the first place? soa: i didn't see a film at much to a book. it does so many things a book can't do. now when i look at the book, i will see them. charlie: this is the story as you imagined the store. emma: it's the cinematic equivalent, and i'm so happy with it. the book is so much in jack's head. the book is an exercise in point of view. the film is about him and ma equally. it added something that wasn't there in the book. charlie: what is the lesson of this? want you to reduce it, but elaborate on what you feel like you are creating. emma: i think it's about everybody's childhood in that we all have a small-scale childhood and move out into the bigger world, but we do it gradually. jack does it overnight. i wanted this specific story to have a universal feel about the love between parent and child