http://www.hkmdb.com/db/movies/view.mhtml?id=12053&complete_credits=1&display_set=eng

Info:
http://www.mtime.com/movie/46948/

Another check... changed original title 别拿自己不当干部 to 別拿自己不噹干部

please let me know if that's correct (should the 6th character be 噹 or 當?

If you search 别拿自己不当干部 in google.hk you will find that the right title is 別拿自己不當乾部 . Changed.
Your poster is watermarked but useful to add pres., dir., writers and 4 actors.