All Cast

Vincent Cartier

Vincent Cartier

Self, Walter's twin brother and manager

Walter Cartier

Walter Cartier

Self

Nat Fleischer

Nat Fleischer

Self, boxing historian

Bobby James

Bobby James

Self, Walter's opponent

Judy Singer

Judy Singer

Self, female fan in crowd (uncredited)

Stanley Kubrick

Stanley Kubrick

Self (man at ringside with camera) (uncredited)

Alexander Singer

Alexander Singer

Self

Douglas Edwards

Douglas Edwards

Narrator