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
Kate Hirson
Janet Swanson
Marvin Towns Jr.
Camera Technician
Robert Richman
Clifton Towns Sr.
Keith Vyse
David Gasperik
Mark Durand
Keith Clinkscales
Original Music Composer
Joel Beckerman
Michelle Materre
Joan Lynch
John Dahl
John Skipper
Deirdre Fenton
Connor Schell
Kristin McDowell
Paul Carruthers
Graphic Designer
Mi Sook Cho
Phil Hernandez
Colorist
Alex Berman
Assistant Camera
Chris Maxwell
Post Production Supervisor
Eugene Lehnert
Production Manager
Katie Sorohan
Jonathan Jackson
Online Editor
Gaffer
Jeff Levy