Charles Winkler Director Jon Favreau Rocky Marciano Actor Penelope Ann Miller Barbara Cousins Actor Judd Hirsch Al Weill Actor Tony Lo Bianco Frankie Carbo Actor Duane Davis Joe Louis Actor Rhoda Gemignani Pasquelina Marchegiano Actor Rino Romano Allie Colombo Actor George C. Scott Pierino Marchegiano Actor Aron Tager Charley Goldman Actor Noah Danby Carmine Vingo Actor Gil Filar Young Rocky Actor Jeff Clarke Brockton Eddie Actor Hadley Sandiford Joe Louis' Trainer Actor Jerome Silvano Young Allie Actor Ed Sahely Announcer Actor Peter Wylie Madison Square Garden Referee Actor Richard Fitzpatrick Commentator Actor Gerry Mendicino Emcee Actor Conrad Bergschneider Guard Actor Kenneth McGregor Foreman Actor Marvin Kaye Hand Worker Actor John Winston Carrol Murphy Actor David Roemmele Young Brockton Eddie Actor Charles Seixas McNutt Actor Shawn Lawrence Irish Worker Actor James O'Regan Clerk Actor Lauren Collins Mary Anne Actor Ray A. Marsh Announcer Epperson Fight Actor Gordon Lusby Lee Epperson Actor John Kalbhenn Palisades Referee Actor Rob Cowan Producer