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