Chuck Wepner

Self

Sylvester Stallone

Self

Muhammad Ali

Self (archive footage)

George Foreman

Self

Don King

Self

Vince McMahon

Self

Sonny Liston

Self (archive footage)

Mike Douglas

Self (archive footage)

James Brown

Self (archive footage)

Hulk Hogan

Self (archive footage)

André Roussimoff

Self (archive footage)

Howard Cosell

Self (archive footage)

Irwin Winkler

Self

Jake LaMotta

Self (archive footage)

Jerry Izenberg

Self

Jeff Feuerzeig