صامويل جاكسون

Narrator (voice)

كيث ديفيد

Jack Johnson (voice)

Jack Johnson

Self (archive footage)

Stanley Crouch

Self - writer

James Earl Jones

Self - actor

Bert Sugar

Self - boxing historian

Gerald Early

Self - writer

José Torres

Self - Former Light Heavyweight Champion

Randy Roberts

Self - biographer

Jack Newfield

Self - journalist