Anthony Quinn
Lewis 'Mountain' Rivera
Jackie Gleason
Maish Rennick
Mickey Rooney
Army
Julie Harris
Grace Miller
Stanley Adams
Perelli (as Stan Adams)
Madame Spivy
Ma Greeny
Val Avery
Young fighter's promoter
Herbie Faye
Charlie, the Bartender
Jack Dempsey
Himself
Muhammad Ali
Himself (as Cassius Clay)
Lou Gilbert
Dr. Gilbert
Michael Conrad
Ma Greeny's Thug
Rory Calhoun
Barney Ross
