Deadly Hero is a 1975 American neo noir thriller film starring Don Murray, Diahn Williams, James Earl Jones, Lilia Skala and Treat Williams (in his film debut). It was directed by Ivan Nagy from a screenplay by George Wislocki and Don Petersen. Released in limited locales in 1975 with an R rating from the Motion Picture Association of America, it was distributed by AVCO Embassy. It opened to mixed, mostly negative reviews, and was considered a commercial failure.