Detective Dee was released in China on 29 September 2010 and in Hong Kong on 30 September 2010; in North American, it premiered at the 2010 Toronto International Film Festival.
Detective Dee dirilis di China pada 29 September 2010 dan di Hong Kong pada 30 September 2010; di Amerika Serikat, film tersebut tayang perdana di Festival FIlm Internasional Toronto 2010.