 | Jake Gyllenhaal als Louis Bloom |
 | Riz Ahmed als Rick |
 | Rene Russo als Nina Romina |
 | Bill Paxton als Joe Loder |
 | Kevin Rahm als Frank Kruse |
 | Michael Hyatt als Detective Frontieri |
 | Price Carson als Detective Lieberman |
 | Kent Shocknek als Kent Shocknek |
 | Sharon Tay als Sharon Tay |
 | Ann Cusack als Linda |
 | Carolyn Gilroy als Jenny |
 | Marco Rodríguez als Scrapyard Owner |
 | Michael Papajohn als Security Guard |
 | Jonny Coyne als Pawn Shop Owner |
 | Rick Chambers als KWLA Anchor Ben Waterman |
 | Pat Harvey als Pat Harvey |
| Rick Garcia als Rick Garcia |
 | James Huang als Marcus Mayhem Video |
| Leah Fredkin als Female Anchor |
 | Bill Seward als Bill Seward |
| Holly Hannula als KWLA Anchor Lisa Mays |
| Nick Chacon als Cop #1 |
 | Kevin Dunigan als Cop #2 |
| Alex Ortiz als Cop #3 |
 | Eric Lange als Ace Video Cameraman |
 | Kiff VandenHeuvel als Editor |
 | Christina De Leon als Barred Door Woman |
 | Jamie McShane als Freaked Motorist |
 | Dig Wayne als Neighbor |
 | Myra Turley als Female Neighbor |
| Merritt Bailey als Freelancer |
 | Juan Fernandez als Reporter Ron De La Cruz |
| Lisa Remillard als Reporter Deena Rain |
| Manuel Lujan als Technical Director |
 | Chris Wolfe als Reporter Joel Beatty |
| Austin Raishbrook als Stringer (uncredited) |
| Marc Raishbrook als Stringer (uncredited) |
| Dale Shane als Paramedic (uncredited) |
 | Kathleen York als Jackie (uncredited) |
 | Viviana Chavez als Desiree (uncredited) |
 | Stephanie D'Abruzzo als Telephone Woman with Gloves (uncredited) |
| Emily Dahm als DUI Girl (uncredited) |
 | Bill Blair als Control Room Switcher (uncredited) |
| Dan Gilroy | Director |
| Michel Litvak | Producer |
| Kevin Kavanaugh | Production Design |
| Jennifer Fox | Producer |
| Jake Gyllenhaal | Producer |
| David Lancaster | Producer |
| Juliana Guedes | Associate Producer |
| James Newton Howard | Original Music Composer |
| Gary Michael Walters | Executive Producer |
| John Gilroy | Editor |
| Stephanie Wilcox | Co-Producer |
| Tony Gilroy | Producer |
| Robert Elswit | Director of Photography |
| Naaman Marshall | Art Direction |
| Betsy Danbury | Executive Producer |
| Mindy Marin | Casting |
| Pavy Olivarez | Hairstylist |
| Malanie J. Romero | Makeup Artist |
| Jessie Pariseau | First Assistant Sound Editor |
| Scott Peterson | Script Supervisor |
| Melani Petrushkin | Art Department Coordinator |
| Meg Everist | Set Decoration |
| Jamison Huber | Visual Effects Producer |
| Michael Svitak | Camera Operator |
| Martyn Zub | Sound Re-Recording Mixer |
| Sean Haley | Set Costumer |
| Antonio Andraus | Leadman |
| Mike Smith | Stunt Coordinator |
| Curtis Collins | Location Manager |
| Amy Westcott | Costume Design |
| Joe Ondrejko | Construction Coordinator |
| Michael Kamper | Sound Editor |
| Connor Meechan | Visual Effects Supervisor |
| Debra L. Tennant | First Assistant Editor |
| Andy Malcolm | Foley |
| Donald Mowat | Makeup Department Head |
| Jennifer Durban | Set Decoration Buyer |
| Kevin Hickman | First Assistant Editor |
| Marty Osborne | Picture Car Coordinator |
| Andy Koyama | Sound Re-Recording Mixer |
| Rudy Lopez | Digital Intermediate |
| Elia P. Popov | Special Effects Coordinator |
| J. A. Byerly | Rigging Gaffer |
| Michael Bauman | Gaffer |
| Chuck Zlotnick | Still Photographer |
| Robert Jackson | Boom Operator |
| Scott Martin Gershin | Sound Designer |
| Garrick Dion | Associate Producer |
| Shawn Holden | Production Sound Mixer |
| Joy Zapata | Key Hair Stylist |
| Candace Neal | Hair Department Head |
| Dixie Webster | Casting |
| Mads Hansen | Unit Production Manager |
| Kara Lipson | Casting Associate |
| Geno Hart | Consulting Producer |
| Frank Salvino | Post Production Supervisor |
| Jeffrey Stott | Executive In Charge Of Production |
| Matthew Kern Atzenhoffer | Set Dressing Artist |
| Brian Ross | Music Supervisor |
| Betsy Danbury | Unit Production Manager |
| Robin Roberts | Costume Supervisor |
| Steve Beimler | Location Scout |
| Samara Kelly | Post Production Assistant |
| Andrew Rowlands | Steadicam Operator |
| Nic Ratner | Music Supervisor |
| Trent Hara | Production Coordinator |
| Nic Ratner | Music Editor |
| Joe Pancake | Special Effects Supervisor |
| Kevin Hickman | VFX Editor |
| Penelope Franco Gilmore | Set Dressing Artist |
| Viviane Normand | Hairstylist |
| Caroline Quiroga | Assistant Costume Designer |
| Trent Hara | Production Supervisor |
| Chris Beresford | Propmaker |
| Mike Smith | Second Unit Director |
| Margit Pfeiffer | Supervising Dialogue Editor |
| Julie Feiner | Dialogue Editor |
| Scott Martin Gershin | Sound Supervisor |
| Margit Pfeiffer | Supervising ADR Editor |
| King Orba | Property Master |
| Jessie Pariseau | Foley Editor |
| Richard L. Fox | First Assistant Director |
| Valentine Marvel | First Assistant Camera |
| Stephen W. Schriver | Stunts |
| Monique McKellop | Stunt Driver |
| Glen Yrigoyen | Stunts |
| Samuel Hubinette | Stunts |
| Chuck 'Chaz' Hosack | Stunts |
| Brett Smrz | Stunts |
| Oliver Keller | Stunts |
| Chad Guerrero | Stunts |
| Jimmy N. Roberts | Stunt Coordinator |
| Charlie Picerni | Stunts |
| Mehdi Merali | Stunts |
| Terry Jackson | Stunts |
| Freddy Bouciegues | Stunts |
| Tom Harper | Stunts |
| Ho-Sung Pak | Stunts |
| Logan Holladay | Stunts |
| Kiralee Hayashi | Stunts |
| Simon Rhee | Stunts |
| Tim Gilbert | Stunts |
| Lance Gilbert | Stunts |
| Chic Daniel | Stunts |
| Steve Holladay | Stunts |
| Dickey Beer | Stunts |
| Craig Baxley Jr | Stunts |
| Erik Stabenau | Stunts |
| Monty L. Simons | Stunts |
| Robert Nagle | Stunt Driver |
| Mickey Cassidy | Stunts |
| James A. Smith | Stunts |
| Scott Rosen | Stunts |
| Joe Ordaz | Stunts |
| John C. Meier | Stunts |
| Joel Lambert | Stunts |
| Keith Woulard | Stunts |
| Laura Albert | Stunts |
| Mark Riccardi | Stunts |
| Eric Matuschek | Stunts |
| Spike Silver | Stunts |
| Dennis Scott | Stunts |
| Tim Sabatino | Stunt Driver |
| Matt Berberi | Stunts |
| Jalil Jay Lynch | Stunts |
| Jesse Jacobs | Utility Stunts |
| Xavier Clarke | Stunt Driver |
| Dan Gilroy | Writer |
| Jaime FitzSimons | Technical Advisor |
| Warren Drummond | Storyboard Artist |
| Carmen Cuba | Casting Consultant |
| Malanie J. Romero | Key Makeup Artist |
| Simone Farber | Second Assistant Director |
| Keri Bruno | Second Assistant Director |
| David Ticotin | First Assistant Director |
| Steven Finestone | Second Unit Director of Photography |
| James Laxton | Additional Photography |
| Julie Wagner | Stand In |
