Leading cast members, actress Huang Yi (C), actor Huang Bo (L) and Zhang Dianfei pose for a photo-taking while attending the presentation meeting of their new comedy film "Stubborn Robot" in Shanghai, east China, September 21, 2009. Director Tian Meng and leading role cast members Huang Yi, Huang Bo, Zhang Dianfei attend the presentation of film, which is set to be on premiere as of October 23. [Xinhua]