it is adapted from emma donoghue 2010 novel of the same name.he most calls it extreme metaphor for how time, regret, and the end of childhood could make annoying captives of us all. here is the trailer for "room." >> ♪ one evening when the sun went down and the john dingell fire was burning down the tracks came a hobo hiking he said boys, i am turning i am headed for a land that is far away >> i guess i still can't hear. >> do your how alice wasn't always in wonderland? >> he fell down in a hole. >> i am like alice. >> i am scared. >> i know. >> truck. >> truck. >> wiggle out. >> wiggle out. >> jump >> jump. >> run. >> run. >> ♪ on the top of candy mountain there is a land that is clear and bright >> thanks for saving my little girl. you are going to love it. >> what? >> the world. charlie: joining me are two of and --ms stars, joan: joan allen and brie larson, lenny abrahamson and emma donoghue. is this what your imagination saw as you are writing this, the screenplay, and thinking about writing the book in the first place? all this,d not see n

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