Himself
Muhammad Ali
Drew Bundini Brown
Himself (archive footage)
Howard Cosell
Angelo Dundee
Larry Holmes
Self
Jerry Izenberg
Gene Kilroy
John Schulian
Leon Spinks
Ken Norton
Thomas Hauser
Consulting Producer
Michael Tollin
Producer
Laura Coxson
Executive Producer
Bill Simmons
Editor
Ian Markiewicz
Additional Camera
Sean Price Williams
Director
Albert Maysles
Cinematography
Director of Photography
Sound
David Maysles
Chris Connelly
Associate Producer
Libby Geist
Bradley Kaplan
Marvin Towns Jr.
Clifton Towns Sr.
Keith Vyse
Kate Hirson
Janet Swanson
Camera Technician
David Gasperik
Robert Richman
Keith Clinkscales
John Dahl
Mark Durand
Deirdre Fenton
Joan Lynch
Michelle Materre
Kristin McDowell
Connor Schell
John Skipper
Original Music Composer
Joel Beckerman
Phil Hernandez
Chris Maxwell
Paul Carruthers
Graphic Designer
Mi Sook Cho
Post Production Supervisor
Eugene Lehnert
Production Manager
Katie Sorohan
Jonathan Jackson
Gaffer
Jeff Levy
Assistant Camera
Colorist
Alex Berman
Online Editor