Género: Documental
Estrellas: Muhammad Ali, Jim Brown, George Foreman, Tom Jones, Mike Tyson, Muhammad Ali Jr.
Personal: Steve Smith (Sound Recordist), Clare Lewins (Director), Clare Lewins (Writer), John Battsek (Executive Producer), Helen Bennitt (Executive Producer), George Chignell (Producer)
País: United States of America
Idioma: English
Estudio: Focus Features, Fisheye Films
Duración: 111 minutos
Calidad: HD
Lanzamiento: Oct 10, 2014
IMDb: 4.2