After suffering a brutal defeat and being told he can no longer fight, 37-year-old, scar-ridden prizefighter Louis 'Mountain' Rivera struggles to find a new direction in life.

Anthony Quinnas Lewis 'Mountain' Rivera
Jackie Gleasonas Maish Rennick
Mickey Rooneyas Army
Julie Harrisas Grace Miller
Stanley Adamsas Perelli (as Stan Adams)
Madame Spivyas Ma Greeny
Val Averyas Young fighter's promoter
Herbie Fayeas Charlie, the Bartender
Jack Dempseyas Himself
Muhammad Alias Himself (as Cassius Clay)