 Kirk DouglasMidge Kelly | Midge Kelly |
 Marilyn MaxwellGrace Diamond | Grace Diamond |
 Arthur KennedyConnie Kelly | Connie Kelly |
 Paul StewartTommy Haley | Tommy Haley |
 Ruth RomanEmma Bryce | Emma Bryce |
 Lola AlbrightPalmer Harris | Palmer Harris |
 Luis van RootenJerry Harris | Jerry Harris |
 Harry ShannonLew | Lew |
 John DaheimJohnny Dunne | Johnny Dunne |
 Ralph SanfordHammond | Hammond |
 Esther HowardMrs. Kelly | Mrs. Kelly |
 Bill BaldwinBill Brown (Ringside Broadcaster) (uncredited) | Bill Brown (Ringside Broadcaster) (uncredited) |
| SSam BalterChampionship Fight Announcer (uncredited) | Championship Fight Announcer (uncredited) |
 Don BrodieNewspaper Reporter (uncredited) | Newspaper Reporter (uncredited) |
| RRalph BrooksNewspaper Reporter at Benefit (uncredited) | Newspaper Reporter at Benefit (uncredited) |
| MMushy CallahanReferee Title Fight (uncredited) | Referee Title Fight (uncredited) |
 Sayre DearingNewspaper Reporter at Benefit (uncredited) | Newspaper Reporter at Benefit (uncredited) |
 Paul DubovGangster (uncredited) | Gangster (uncredited) |
| JJimmie DundeeTough Tramp in Boxcar (uncredited) | Tough Tramp in Boxcar (uncredited) |
| JJoe GrayChampionship Fight Opponent (uncredited) | Championship Fight Opponent (uncredited) |
 Chuck HamiltonFight Stadium Guard (uncredited) | Fight Stadium Guard (uncredited) |
 Mike LallyWell-Wisher in Nightclub (uncredited) | Well-Wisher in Nightclub (uncredited) |
 Hal MarchMobster (uncredited) | Mobster (uncredited) |
 George MeaderFight Doctor (uncredited) | Fight Doctor (uncredited) |
| RRalph MontgomeryNewspaper Reporter (uncredited) | Newspaper Reporter (uncredited) |
 Forbes MurraySpeaker at Benefit (uncredited) | Speaker at Benefit (uncredited) |
 Tim RyanAl (Kansas City Manager) (uncredited) | Al (Kansas City Manager) (uncredited) |
| CCourt ShepardFighter (uncredited) | Fighter (uncredited) |
 Charles SherlockDunne's Cornerman (uncredited) | Dunne's Cornerman (uncredited) |
 Hilda SimmsMaid (uncredited) | Maid (uncredited) |
