This research was done to analyze code choice in the film entitled “Merry Riana –MimpiSejutaDolar”. It was conducted to reveal the code used by the characters,the way the characters used the code and the reasons of the characters used thecode in every domain in the film.This research is a descriptive qualitative research. The data were collected byusing total sampling. The source of data is the conversation in the film entitled“Merry Riana – MimpiSejutaDolar”. There are 50 data which wereclassified intothree domain language use.Some results are found in this research. First, there are several codes found in themovie. They are English, Bahasa Indonesia, Malay, Switching English – BahasaIndonesia, Switching Indonesia – English, Switching English – Malay, SwitchingBahasa Indonesia – Malay and Switching Malay - English. Second, in this movie,the characters used the codes in two ways. They are formal way and informalway. The formal way mostly occurs in the office domain. Meanwhile, theinformal way mostly occurs in friendship domain and family domain. Third, thereare 19 reasons of the characters in choosing the code found in this film. They areexpressing thanks, surprised, to show intimacy, share the same dialect, to expressin-love, to say good bye, to give compliment, to emphasize the message, tocontinue the interlocutor, to share the same group identity, to strengthen theargument, to encourage, to express disappointment, to ensure, to ask permission,the change of interlocutor, to show the higher position, to express anger, and toshow intimacy.Keywords:sociolinguistics, code choice