华莱士·比里

Wallace Beery

饰：Andy 'Champ' Purcell

杰基·库珀

Jackie Cooper

饰：Dink Purcell

爱莲·列治

Irene Rich

饰：Linda Carlton

罗斯科·阿蒂斯

Roscoe Ates

饰：Sponge (as Rosco Ates)

爱德华·布罗菲

Edward Brophy

饰：Tim, Champ's Manager

黑尔·汉密尔顿

Hale Hamilton

饰：Tony Carlton

Jesse Scott

饰：Jonah, Dink's playmate

玛西娅·琼斯

Marcia Mae Jones

饰：Mary Lou Carlton

Dannie Mac Grant

饰：Boy Taunting Dink (uncredited)

弗兰克·哈格尼

Frank Hagney

饰：Manuel Quiroga, Mexican Champ (uncredited)

戴尔·亨德森

Dell Henderson

饰：The Doctor (uncredited)

汤姆·麦奎尔

Tom McGuire

饰：Los Angeles Promoter (uncredited)

鲍勃·佩里

Bob Perry

饰：Referee (uncredited)

李·费尔普斯

Lee Phelps

饰：Louie, the Bartender (uncredited)

Andy Shuford

饰：Boy at Racetrack (uncredited)

Dan Tobey

Dan Tobey

饰：Ring Announcer (uncredited)