Among the variant types of making TV programs, social documentary, because of its influence on education, culture promotion and addressing the issues related to audiences, is the codes that can be used as a tool to refer the messages of goodness and badness, and can be used to create an appropriate motivational audience. Since social document benefits from the existence of personality especially real personalities, when documentary maker uses personality, the personality must be selected in a way that refers to goodness and badness messages and creates a motive in audience than performing goodness and not to perform badness. Therefore, in the present research collection of data through semi-structured interview with experts, and data analysis-using content analysis methodology and statement-making – has been performed, and we have attained the most important factors influencing the selection of and narration of the character of social documentaries for the purpose of the proper performance of the process of “ enjoining good and forbidding wrong” in the media, such as choosing an ordinary person with attributes like an evolved life, a comprehensible issue, ability to express themselves, and finally attractive looks and expression; choosing an eminent role model or a successful person close to the culture of the audience, and with low profile for answering the topic of movies, etc.