- Eric Olin Anderson
- set production assistant
- Julie Fay Ashborn
- assistant production coordinator: additional photography, Los Angeles (as Juie Fay Ashborn)
- Amit Awasthi
- Regional Distribution Head: North
- Jason Bader
- production intern/transcriber
- Jason Barhydt
- senior vice president of production: Relativity Media
- Joe Barnett
- production accountant: additional photography, Los Angeles
- Greg Bator
- key production assistant: additional photography, Los Angeles
- Hank Bedford
- assistant: David O. Russell / set production assistant
- Mary K. Bedford
- set production assistant
- Catherine Bellinghieri
- set production assistant
- Linda Benjamin
- EVP of Business and Legal Affairs: Relativity Media
- Rebecca Bennett
- publicist
- James Berkery
- set production assistant
- Taylor Black
- assistant production coordinator
- Jason Blackman
- production intern
- Brandon Blake
- legal services
- David Bloomfield
- production legal counsel
- Robbie Brenner
- executive vice president of production: Relativity Media
- Graham Broughton
- assistant: David O. Russell
- Francie Brown
- dialect coach: Christian Bale
- John W. Burke
- craft service assistant (as John Burke)
- Alex Capaldi
- assistant: Kenneth Halsband
- Jim Carlin
- crew: HBO Sports
- Kenneth Caudill
- catering assistant
- Shawn Michael Chapman
- production assistant
- Matt Chase
- craft service: additional photography, Los Angeles
- Peter Chase
- craft service: additional photography, Los Angeles
- Bo Cleary
- trainer
- Sean Cooney
- crew: HBO Sports
- Matthew Coppinger
- set medic
- Jonathan Crystal
- crew: HBO Sports (as Jon Crystal)
- James Michael Cummings
- creative consultant (as Jimmy Cummings)
- Angela Cutrone
- set production assistant (as Angels Cotrone)
- Rick Cypher
- crew: HBO Sports (as Richatd Cypher)
- Dawn Darfus
- finance executive: Relativity Media
- Paul Davidge
- finance executive: Relativity Media
- Jeremy Davis
- set medic: additional photography, Los Angeles
- Colin DeFord
- crew: HBO Sports (as Colin Deford)
- Joe Deingenis
- craft service assistant (as Joseph L. Deingenis)
- Jillian Donaher
- set production assistant
- Sean Doyle
- assistant: producer
- Dean Egan
- set production assistant (as M. Deam Egan)
- Ben Everard
- office production assistant: additional photography, Los Angeles
- Sarah E. Fahey
- office production assistant (as Sarah Fahey)
- Harry Fallon
- set production assistant
- Anne Marie Feldman
- payroll accountant: additional photography, Los Angeles
- Ray Felipe
- researcher: clarances
- Kim Ferandelli
- assistant: David Hoberman
- Oscar J. Flores
- assistant production coordinator: additional photography, Los Angeles
- Andrew Fortin
- set production assistant
- Ena Frias
- assistant: David O. Russell
- John Gaudette
- set production assistant
- David Goldstein
- set production assistant
- Anna Gossman
- set production assistant
- Nate Greenwald
- business and legal affairs: Relativity Media
- Matthew Grossfeld
- film runner
- Bob Halloran
- technical consultant
- Michael J. Harker
- completion bond representative (uncredited)
- Emily Harney
- provider: photographs
- Eric Haynes
- set production assistant
- Daniel Herther
- executive assistant: Ryan Kavanaugh
- Robert S. Hoffman
- production assistant: additional photography, Los Angeles (as Rob Hoffman)
- Christian Tyler Hoots
- set production assistant (as Christopher Hoots)
- Vickie M. Hsieh
- production coordinator: additional photography, Los Angeles
- Sean Huck
- set production assistant
- Steve Hutensky
- senor executive vice president of business affairs: Relativity Media
- Lieve Jansen
- completion guarantor
- Paul B. Johnson
- set medic
- Douglas M. Jones
- set production assistant (as Douglas Jones)
- Jack Kamine
- set production assistant
- Jonathan Kier
- International Sales
- Ashley Kravitz
- clearance / clearances: Cleared By Ashley
- Matthew Krueger
- crew: HBO Sports
- Bryan Lacout
- production financing: Union Bank Entertainment Finance
- Matthew Laderoute
- production assistant intern
- Steven Lafferty
- key set production assistant
- Wendi Laski
- unit publicist
- Henry Laun
- security p.a.
- C.J. Laursen
- office production assistant: additional photography, Los Angeles
- Amanda 'Nahndo' Lenon
- second assistant accountant
- Andy Leo
- office assistant
- Jason Levin
- crew: HBO Sports
- Gregory Levine
- set medic: additional photography, Los Angeles
- Thomas Loftus
- senior vice president of business and legal affairs: Relativity Media
- Salvatore Lonano
- consultant
- Joe Lupino
- boxing technical advisor
- Karena Lyn
- set production assistant
- Kenny Lynch
- financial controller: Relativity Media
- Leisha Mack
- business and legal affairs: relativity Media
- Jennifer Madeloff
- production coordinator
- Frank J. Madrose
- crew: HBO Sports
- Mia Maniscalco
- assistant: Todd Lieberman
- Daniel Martella
- production assistant
- Trevor Martin
- production assistant
- Skylar Mathey
- production assistant
- Greg Maxwell
- consultant: security and integrity
- Vanessa Mendoza
- production secretary: additional photography, Los Angeles (as Vanessa I. Mendoza)
- Joseph Micucci
- office production assistant
- Lynsey Mihos
- set production assistant
- Michael Moncreiff
- account executive: Technicolor Creative Services
- Cranton Moore
- transport services: Moore Transport Services
- Kika Moore
- travel agent: New Act Travel
- Michael Christopher Morin
- assistant: David O. Russell (as Michael Morin)
- Kymlee Murphy
- on-set security manager
- David Muscatine
- first assistant accountant
- Tamara Nagahiro
- Acquisition Executive
- Giuseppe Napoli
- assistant chef
- Marijana Napoli
- assistant chef
- Marc Nathan
- crew: HBO Sports
- Chris Naylor
- production assistant: additional photography, Los Angeles
- Alice Neuhauser
- senior vice president of operations: Relativity Media
- Matt Newcomb
- production assistant
- Brian Nguyen
- trainer
- Duy Nguyen
- accounting clerk
- Ngoc Nguyen
- studio publicist
- Stephanie Norton
- local assistant: David Hoberman & Todd Lieberman
- Brian Nurre
- business and legal affairs: Relativity Media
- Michael O'Rourke
- crew: HBO Sports
- J.P. Ouellette
- set production assistant: second unit (as JP Ouellette)
- Todd Palladino
- crew: HBO Sports
- Kevin Pasdon
- set medic
- Marc Payton
- crew: HBO Sports
- Andrew Pellegrino
- assistant to director
- Henry Penzi
- road crew: Mark Wahlberg
- Holly Peterman
- crew: HBO Sports
- Sam Pino
- set production assistant (as Samuel Pino)
- JJ Pollack
- production intern
- Tim Prichard
- crew: HBO Sports
- Joey Pugh
- set production assistant
- Alexandra Pursglove
- office production assistant: additional photography, Los Angeles
- Eva Quiroz
- vice president of operations / vice president of operations: Relativity Media
- Mahesh Ramanathan
- south asia distribution: reliance entertainment
- Molly Randall
- office production assistant
- John Rash
- post-production accountant
- Dana Reaves Bolla
- production accountant
- Marlaine Reiner
- assistant: Ryan Kavanaugh
- Martin Reyes
- assistant chef
- Claude Richardson
- set production assistant
- Jeremy Roberts
- payroll accountant
- David M. Rodriguez
- post-production accountant
- Melissa Rosal
- set production assistant
- Bob Ross
- crew: HBO Sports
- Naomi Seastead Rotondo
- additional craft service (as Naomi Rotondo)
- Vincenzo Rotondo
- craft service (as Vincenzo 'Vinny' Rotondo)
- Rachel Schwartz
- physical production coordinator
- Jim Scurti
- crew: HBO Sports (as James Scurti)
- Max Segal
- Archival Consultant
- Chandler Shepherd
- craft service: additional photography, Los Angeles (as Chandler Sheperd)
- Aaron R. Smith
- accounting assistant: additional photography, Los Angeles
- Brian Stearns
- production financing: Union Bank Entertainment Finance
- William Steinberg
- crew: HBO Sports
- Helen Stergiou
- second assistant accountant
- Jack Stern
- studio teacher: additional photography, Los Angeles
- Adam M. Stone
- product placement: Stone Management (as Adam Stone)
- Cat Stone
- product placement: Stone Management
- Laura Summer
- additional voices
- Cindy Taylor
- production assistant: additional photography, Los Angeles (as Cindy A. Taylor)
- Mel Thompson
- security: Christian Bale
- Suzanne Tierney
- legal services
- Cyndal Todd
- ring card girl
- Dara Waxman
- assistant: Amy Adams / production secretary
- Eric Weinstein
- assistant: Mark Wahlberg
- Townson Wells
- production assistant: additional photography, Los Angeles
- Greg P Whitney
- crowd wrangler
- Douglas Wood
- crew: HBO Sports
- Mikkel Zall
- electronic press kit
- David Zeffren
- crew: HBO Sports
- Ann Zoric
- chef
- Marijan Zoric
- chef (as Mario Zoric)
- Amber Asaro
- assistant: Ryan Kavanaugh (uncredited)
- Julie Fay Ashborn
- assistant production coordinator: additional photography (uncredited)
- Susan Boyajian
- adr actor (uncredited)
- Terry Conforti
- stand-in: Melissa Leo (uncredited)
- Tiffany Duke
- production assistant (uncredited)
- Kristina Ellery
- stand-in (uncredited)
- Domenic Fuggetta
- stand-in (uncredited)
- Michael Geoghegan
- first assistant craft service (uncredited)
- Christine Hayden
- stand-in: Amy Adams (uncredited)
- Jake Head
- adr/voice talent (uncredited)
- Matthew Laderoute
- production assistant (uncredited)
- Naomi Seastead Rotondo
- craft service production assistant (uncredited)
- Chuck Slavin
- guest stand-in (uncredited)
- Paul Anthony Speziale
- set production assistant (uncredited)
- Jillian Taylor
- set production assistant (uncredited)
- Angelo Vacco
- voice actor (uncredited)
- Leslie Varrelman
- production executive (uncredited)
- Liana Werner-Gray
- production assistant (uncredited)
- Josh Woolf
- production assistant (uncredited)
