 | Alana Haim als Alana Kane |
 | Cooper Hoffman als Gary Valentine |
 | Sean Penn als Jack Holden |
 | Tom Waits als Rex Blau |
 | Bradley Cooper als Jon Peters |
 | Benny Safdie als Joel Wachs |
 | Skyler Gisondo als Lance |
 | Mary Elizabeth Ellis als Momma Anita |
 | John Michael Higgins als Jerry Frick |
 | Christine Ebersole als Lucille Doolittle |
 | Harriet Sansom Harris als Mary Grady |
 | Joseph Cross als Matthew |
 | Danielle Haim als Danielle Kane |
 | Este Haim als Este Kane |
 | Moti Haim als Moti Kane |
| Donna Haim als Donna Kane |
 | Maya Rudolph als Gale |
 | Ryan Heffington als Steve |
 | Nate Mann als Brian |
| Isabelle Kusman als Sue Pomerantz |
| Destry Allyn Spielberg als Frisbee Kahill |
 | George DiCaprio als Mr. Jack |
 | Iyana Halley als Brenda |
 | Ray Chase als B. Mitch Reed |
 | Emma Dumont als Brenda |
 | Yumi Mizui als Mioko |
| Megumi Anjo als Kimiko |
 | Emily Althaus als Kiki Page |
| Tim Conway Jr. als Vic |
| Griff Giacchino als Mark |
| James Kelley als Tim |
| Will Angarola als Kirk |
| Milo Herschlag als Greg Valentine |
 | Craig Stark als Long Hair Freak |
| Bottara Angele als Fair Goer #1 |
| Louis Delavenne als French Waiter |
 | Rogelio Camarillo als Armand |
| Nathan M. Hadden als Valet |
 | Mary Eileen O'Donnell als Reporter |
 | Lakin Valdez als Cop |
| Brian Kehew als Sonny & Cher Tech |
 | Thomas John Rudolph als Customer #6 |
| Collin Sutton als Photographer |
 | Ray Nicholson als Ray |
| Eloy Perez als Guillermo |
| Mark Kirksey als Cop #5 |
| Joshua Carl Allen als Photographer |
 | Sasha Spielberg als Tiny Toes Girl |
| Pearl Minnie Anderson als Sharon |
 | Karen Kilgariff als Joel Wachs Mom |
| Natalia Becerril als Latin Lady (uncredited) |
| Zachary Chicos als Upscale Restaurant Patron (uncredited) |
| Gerren Hall als Campaign Employee (uncredited) |
| Fatimah Hassan als Driver (uncredited) |
 | Steven Herrera als Teen Fair Goer (uncredited) |
 | Brandon Koen als Fair Goer (uncredited) |
| Richard B. Larimore als Golfer (uncredited) |
 | Paige Locke als Fair Goer (uncredited) |
 | Zoe McLane als Pinball Teen (uncredited) |
 | Anthony Molinari als Cop #2 (uncredited) |
 | John C. Reilly als Fred Gwynne / Herman Munster (uncredited) |
| Patrick Salway als Pinball Kid (uncredited) |
| Tess Rianne Sullivan als Wachs Campaign Staffer (uncredited) |
| Charlotte Townsend als Fairgoer #3 (uncredited) |
 | Jeff Willy als Fair Volunteer (uncredited) |
| Paul Thomas Anderson | Director |
| Paul Thomas Anderson | Director of Photography |
| Paul Thomas Anderson | Producer |
| Paul Thomas Anderson | Writer |
| Daniel Lupi | Producer |
| JoAnne Sellar | Producer |
| Susan McNamara | Unit Production Manager |
| Mark Bridges | Costume Designer |
| Robert Downey Sr. | Thanks |
| Jonny Greenwood | Original Music Composer |
| Jimmy N. Roberts | Stunt Driver |
| Terri Douglas | ADR Voice Casting |
| Dianne Chadwick | Graphic Designer |
| William Fletcher | First Assistant Editor |
| Adam Somner | Producer |
| Adam Somner | First Assistant Director |
| Aaron L. Gilbert | Executive Producer |
| Ted Kim | Location Scout |
| Michael Tolochko | Lighting Technician |
| David Acord | Supervising Sound Editor |
| David Acord | Sound Re-Recording Mixer |
| Sara Murphy | Producer |
| Melinda Sue Gordon | Still Photographer |
| Erin Tanaka | Truck Costumer |
| Anthony Syracuse | Construction Coordinator |
| Mark Boucher | Set Dresser |
| Jeremy Cisneros | On Set Dresser |
| Jason Cloth | Executive Producer |
| Heba Thorisdottir | Makeup Designer |
| Brian Machleit | Stunt Coordinator |
| Laura Gary | Studio Teacher |
| Colin Anderson | Camera Operator |
| Christopher Scarabosio | Supervising Sound Editor |
| Lori McCoy-Bell | Hair Assistant |
| Lilia Mishel Acevedo | Costumer |
| Josh Friz | First Assistant "B" Camera |
| Craig Frosty Silva | Stunt Coordinator |
| Liz Wilson | Set Dresser |
| Pavy Olivarez | Hair Assistant |
| Elia P. Popov | Special Effects Coordinator |
| Michael Bauman | Director of Photography |
| Melissa Yonkey | Hair Assistant |
| Jennifer Herrenkohl | Costume Coordinator |
| Beth Miller | Costumer |
| Roy K. Cancino | Special Effects Coordinator |
| Elizabeth Warn | Key Costumer |
| Sera Trimble | Stunt Double |
| Sera Trimble | Stunt Driver |
| Andy Jurgensen | Editor |
| Kathleen Rosen | Set Decoration Buyer |
| Michael Lyon | Lighting Technician |
| Lori Guidroz | Hair Designer |
| Colin Dennis | Construction Foreman |
| Jillian Giacomini | Script Supervisor |
| Lisa Pinero | Sound Mixer |
| Brian Kinney | Key Makeup Artist |
| Steve Irwin | Playback Coordinator |
| Florencia Martin | Production Design |
| Ethan Goodwin | Set Decoration Buyer |
| Paul E. Stroh | Transportation Coordinator |
| Erik L. Brown | First Assistant Camera |
| Josh Yadon | Stunts |
| Tyler John Young | Production Assistant |
| Thomas M. Dangcil | Best Boy Electric |
| Robert B. Dechellis | Rigging Gaffer |
| Kit Conners | Production Assistant |
| Samson Neslund | Sound Effects Editor |
| Eva Rismanforoush | Utility Sound |
| Henry Cantor | Lighting Technician |
| Demelza Cronin | Production Supervisor |
| Adrian Lubanski | Costumer |
| Julie Rea | Hair Assistant |
| Tracy Dixon | Extras Casting |
| Frank Annunziata | Driver |
| Chris Raines | Transportation Co-Captain |
| Joe Chouchanian | Key Rigging Grip |
| Danielle Raveh | Costumer |
| Jeffrey G. Barnett | Stunts |
| Christi Cagle | Key Hair Stylist |
| Samantha Englender | Art Direction |
| Trevor Tavares | Second Assistant Director |
| Mandy Artusato | Makeup Artist |
| Adrian Valdes | Paint Coordinator |
| Danny Rowe | Set Dresser |
| Pernilla Nylander | Costume Assistant |
| Mike Sowa | Digital Intermediate Colorist |
| Justin Dickson | Gaffer |
| Joseph Hicks | Extras Casting |
| Mario Rene Hernandez | Assistant Location Manager |
| Greg Curry | Dailies Technician |
| Amanda Darouie | Second Assistant Camera |
| Julia Saeri Lee | Costumer |
| Sofia Snyder | Assistant Production Coordinator |
| Bea Stoykova | Production Assistant |
| Eddie A. Reid IV | Lighting Technician |
| Sally Potters | Production Coordinator |
| Charlie Jaramillo | Greensman |
| Michael Glaser | Location Manager |
| Keomanee Vilaythong | Assistant Location Manager |
| Chris Zimmerman | Sign Painter |
| Laura J. Hill | Visual Effects Supervisor |
| Cameron Thorburn | Grip |
| Tristan Daoussis | Assistant Location Manager |
| Tammy Williamson | Costume Supervisor |
| Scott M. Anderson | Set Dresser |
| Justin Geoffroy | Video Assist Operator |
| Hayley Wright | Stunt Double |
| Sarah Regan | Standby Painter |
| Ryan Watson | Set Decoration |
| David Croley Broyles | Set Production Assistant |
| David Marnell | Additional Second Assistant Director |
| Michael Arnold | Choreographer |
| Shaun Young | Set Decorating Coordinator |
| Andrew Leitch | Set Designer |
| Kelly Hunt | Extras Casting Assistant |
| Kevynn Brewer | Costumer |
| Kasia Trojak | Second Second Assistant Director |
| Rick Miller | Stunts |
| Eric Crocombe | Assistant Location Manager |
| Max Bostic | Set Dresser |
| Mike McKee | Stunt Driver |
| Sophia Tapia | Payroll Accountant |
| Ryan Creasy | Second Assistant "B" Camera |
| Jay Trautman | First Assistant Editor |
| Kimo Han | Driver |
| Jack Van Nuis | Compositor |
| Devin Hayes | Lighting Technician |
| John Whitley | Production Accountant |
| Alfred Ainsworth Jr. | Video Assist Operator |
| Billy Sender | Set Dresser |
| Jeff Kunkel | Key Grip |
| Vic Chouchanian | Grip |
| Julianna Castigliego | Art Department Coordinator |
| Mike Painter | Transportation Coordinator |
| Andrew Kalicki | Visual Effects Producer |
| David Boyle | Legal Services |
| Nathan M. Hadden | Production Assistant |
| Bob Riley | Second Second Assistant Director |
| Damon Green | Construction Foreman |
| Kerry Hyatt | Graphic Designer |
| Dan Birnbaum | Camera Production Assistant |
| Chad Hladki | Loader |
| Brent Wilson | Rigging Gaffer |
| Tracy M. Jarvis | Costume Coordinator |
| Margarita Kalend | Costume Assistant |
| Jade Thompson | Costumer |
| Colleen Coviello | Assistant Location Manager |
| Taylor Erickson | Assistant Location Manager |
| Zachary Quemore | Assistant Location Manager |
| John B. Austin | Medical Consultant |
| Greg Giebel | Production Assistant |
| Sarah Husein | Production Assistant |
| Adam Macy | Legal Services |
| Leroy Mcleod | Production Assistant |
| Christian A. Medina | Security |
| Bailey Moore | Production Secretary |
| Rosalie Sangenitto | Production Assistant |
| Sydney Shore | Assistant Accountant |
| Alexis Tanasoca | Assistant Accountant |
