Douglas Edwards

饰：Narrator

Vincent Cartier

饰：Himself (Walter's twin brother) (uncredited)

沃尔特·卡蒂尔

Walter Cartier

饰：Himself (uncredited)

Nat Fleischer

Nat Fleischer

饰：Himself (boxing historian) (uncredited)

Bobby James

Bobby James

饰：Himself (Walter's opponent) (uncredited)

亚历山大·辛格

Alexander Singer

饰：Himself (man at ringside with camera) (uncredited)

Judy Singer

Judy Singer

饰：Herself (female fan in crowd) (uncredited)

Dan Stampler

饰：Himself, owner of The Steak Joint restaurant

Douglas Edwards

饰：自己

斯坦利·库布里克

Stanley Kubrick

饰：自己