| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Maysles | Crew | Camera | Director of Photography, Cinematography, Director |
 Chris Connelly | Crew | Production | Consulting Producer |
 David Gasperik | Crew | Camera | Camera Technician |
 David Maysles | Crew | Sound | Sound |
Janet Swanson | Crew | Editing | Editor |
Jeff Levy | Crew | Lighting | Gaffer |
Kate Hirson | Crew | Editing | Editor |
 Michael Tollin | Crew | Production | Consulting Producer |
Robert Richman | Crew | Camera | Camera Technician, Assistant Camera |
 Sean Price Williams | Crew | Camera | Additional Camera |
 Bill Simmons | Crew | Production | Executive Producer |
Connor Schell | Crew | Production | Executive Producer |
 Ian Markiewicz | Crew | Editing | Editor |
Joan Lynch | Crew | Production | Executive Producer |
Keith Vyse | Crew | Production | Producer |
Clifton Towns Sr. | Crew | Production | Executive Producer |
John Dahl | Crew | Production | Executive Producer |
 Bradley Kaplan | Crew | Directing | Director, Producer |
Mark Durand | Crew | Production | Producer |
 Laura Coxson | Crew | Production | Producer |
Jonathan Jackson | Crew | Sound | Sound |
Marvin Towns Jr. | Crew | Production | Executive Producer |
Deirdre Fenton | Crew | Production | Associate Producer |
 Libby Geist | Crew | Production | Associate Producer |
Eugene Lehnert | Crew | Crew | Post Production Supervisor, Online Editor |
Paul Carruthers | Crew | Editing | Editor |
John Skipper | Crew | Production | Executive Producer |
Alex Berman | Crew | Editing | Colorist |
Phil Hernandez | Crew | Sound | Original Music Composer |
Chris Maxwell | Crew | Sound | Original Music Composer |
Joel Beckerman | Crew | Sound | Original Music Composer |
Keith Clinkscales | Crew | Production | Executive Producer |
 Angelo Dundee | Cast | Himself | |
 Drew Bundini Brown | Cast | Actor | Himself |
Gene Kilroy | Cast | Self | |
 Ken Norton | Cast | Actor | Himself (archive footage) |
 Muhammad Ali | Cast | Actor | Himself |
 Howard Cosell | Cast | Actor | Himself (archive footage) |
 John Schulian | Cast | Actor | Self |
 Larry Holmes | Cast | Actor | Himself |
Leon Spinks | Cast | Actor | Himself (archive footage) |
Jerry Izenberg | Cast | Actor | Self |
| Person | Type | Job | Role(s) |
