 | Robert Downey Jr. als Tony Stark / Iron Man |
 | Gwyneth Paltrow als Virginia 'Pepper' Potts |
 | Don Cheadle als James 'Rhodey' Rhodes / Iron Patriot |
 | Guy Pearce als Aldrich Killian |
 | Ben Kingsley als Trevor Slattery |
 | Ty Simpkins als Harley Keener |
 | William Sadler als President Matthew Ellis |
 | Rebecca Hall als Maya Hansen |
 | Stephanie Szostak als Ellen Brandt |
 | James Badge Dale als Savin |
 | Miguel Ferrer als Vice President Rodriguez |
 | Jon Favreau als Harold 'Happy' Hogan |
 | Paul Bettany als J.A.R.V.I.S. (voice) |
 | Dale Dickey als Mrs. Davis |
 | Wang Xueqi als Doctor Wu |
 | Shaun Toub als Ho Yinsen |
 | Matthew Sterling Nye als Annoying Conference Guy |
 | Pat Kiernan als Pat Kiernan |
 | Josh Elliott als Josh Elliott |
| Megan Henderson als Megan Henderson |
 | Thomas Roberts als Thomas Roberts |
 | Bill Maher als Bill Maher |
 | Joan Rivers als Joan Rivers |
 | George Kotsiopoulos als George Kotsiopoulos |
| Bronte D'Esposito als Neptune's Net Girl |
| Noah Visconti als Neptune's Net Boy |
| Ashley Hamilton als Taggart |
 | Brooke Jaye Taylor als Happy's Nurse |
| Kim Dean als Hospital News Reporter |
 | Glenn Foster als Pushy Tabloid Reporter |
 | Anthony Reynolds als Helicopter Pilot #1 |
 | Kendrick Cross als Helicopter Pilot #2 |
 | Tom Clark als Reporter at House Wreckage |
 | Brian Schaeffer als Mandarin Studio Technician |
 | John Eddins als Mandarin Look-Out |
 | Spencer Garrett als Rose Hill Sheriff |
| Rockey Dickey Jr. als Rose Hill Deputy / Extremis Soldier |
| Drew Michael Hershner als Rose Hill Christmas Tree Shopper |
 | Sarah Burkhardt als Junior Technician |
 | Jan Broberg als Senior Technician |
 | Andrew Lauer als Satellite Technician |
 | Nate Bynum als Technical Director |
| Andrew Lander als Vice President's Analyst |
 | Tom Virtue als Thomas Richards |
 | Roy McCrerey als President's Aide |
 | Serdar Kalsin als Scared Insurgent |
| Demetrois Hodges als Laughing Insurgent |
 | Bobby Tisdale als Pageant Emcee |
 | Yvonne Zima als Miss Elk Ridge |
 | Stan Lee als Pageant Judge |
 | Adam Pally als Gary the Cameraman |
 | James Rackley als Chad Davis |
 | Cullen Moss als Extremis Candidate |
| Jacob Dewitt als Room Service Waiter / Extremis Soldier |
 | Rebecca Mader als Sweat Shop Agent |
| Kevin Arnold als Mandarin Guard |
 | Juan C. Bofill als Mandarin Guard |
 | David Anthony Buglione als Mandarin Guard |
 | Adam Lytle als Mandarin Guard |
| Paul Andrew O'Connor als Mandarin Guard |
| Phil Ortiz als Mandarin Guard |
 | Gwendalyn Barker als Sleepy Mandarin Girl |
 | Steve Wilder als Annoyed Mandarin Guard |
 | Luciana Faulhaber als Mandarin Party Girl #1 |
 | Kary Musa als Mandarin Party Girl #2 |
| Mike Massa als Tony's Guard |
 | Mark Kubr als Ponytail Express |
| Si-Fu Eric Oram als Reluctant AIM Guard |
| Naomi Parshin als AIM Ping Pong Girl |
 | Aurelia Riley als AIM Ping Pong Girl |
| Johanna Yunda als AIM Ping Pong Girl |
 | Wesley Thompson als Secret Service Agent |
 | Jenna Ortega als Vice President's Daughter |
| T. C. Anyachonkeya als Iron Patriot Fan #1 |
| Chad Kurtz als Iron Patriot Fan #2 |
 | Cal Johnson als Air Force One Officer |
 | Corey Hawkins als Navy Op |
 | Linden Ashby als Commander |
| Sarah Farooqui als Heather |
 | Sala Baker als Extremis Soldier |
| Kial Butler als Extremis Soldier |
 | Nick Brandon als Extremis Soldier |
 | Dan Brown als Extremis Soldier |
 | Fernando Chien als Extremis Soldier |
| Ilram Choi als Extremis Soldier |
| Brycen Counts als Extremis Soldier |
| Kiante Elam als Extremis Soldier |
 | Dane Farwell als Extremis Soldier |
| Mark Fichera als Extremis Soldier |
 | Colin Follenweider als Extremis Soldier |
 | Aja Frary als Extremis Soldier |
 | Mark Ginther als Extremis Soldier |
| Adrian Gonzalez als Extremis Soldier |
 | Dennis Keiffer als Extremis Soldier |
 | Samuel Le als Extremis Soldier |
 | Tara Macken als Extremis Soldier |
 | William Morts als Extremis Soldier |
 | Jade Quon als Extremis Soldier |
| J. C. Robaina als Extremis Soldier |
 | Markos Rounthwaite als Extremis Soldier |
 | Philip J. Silvera als Extremis Soldier |
| Brian Simpson als Extremis Soldier |
 | Mark Aaron Wagner als Extremis Soldier |
 | Chris Gethard als Juan (uncredited) |
| Nick W. Nicholson als White House Reporter (uncredited) |
 | Bridger Zadina als Richie (uncredited) |
 | Mark Ruffalo als Bruce Banner (uncredited) |
 | Johnny Otto als Military Advisor (uncredited) |
 | Vince Offer als Self (archive footage) (uncredited) |
 | Ron Madoff als Extra |
| Jon Favreau | Executive Producer |
| Danielle Berman | Set Decoration |
| Drew Pearce | Screenplay |
| Alan Fine | Executive Producer |
| Louise Frogley | Costume Design |
| Louis D'Esposito | Executive Producer |
| Wenge Xiao | Executive Producer |
| Shane Black | Director |
| Brian Tyler | Original Music Composer |
| Shane Black | Screenplay |
| Kevin Feige | Producer |
| Stan Lee | Executive Producer |
| John Toll | Director of Photography |
| Victoria Alonso | Executive Producer |
| Bill Brzeski | Production Design |
| Charles Newirth | Executive Producer |
| John Byrne | Thanks |
| Stephen Broussard | Executive Producer |
| Bing Wu | Executive Producer |
| Sarah Halley Finn | Casting |
| Jeffrey Ford | Editor |
| Peter S. Elliot | Editor |
| Daniel Fotheringham | Digital Effects Supervisor |
| Scott F. Johnston | Visual Effects |
| Guy Williams | Visual Effects Supervisor |
| Luke Kalteux | Lighting Technician |
| Zoë Bell | Stunts |
| Sala Baker | Stunts |
| Christopher Townsend | Visual Effects Supervisor |
| Daniel Sudick | Visual Effects Supervisor |
| Erik Nash | Visual Effects Supervisor |
| Russell Bobbitt | Property Master |
| Andy Park | Conceptual Illustrator |
| Bryan Grill | Visual Effects Production Manager |
| Graham Binding | Senior Animator |
| Adam Cole | Post Production Coordinator |
| Mark G. Soper | Visual Effects Producer |
| Dave Jordan | Music Supervisor |
| Mitchell Bell | Associate Producer |
| Lars P. Winther | Associate Producer |
| Brian Smrz | Second Unit Director |
| JoAnn Perritano | Unit Production Manager |
| Lars P. Winther | First Assistant Director |
| Brian Relyea | Second Assistant Director |
| Ryan Meinerding | Visual Development |
| Charlie Wen | Visual Development |
| Dan DeLeeuw | Visual Effects Supervisor |
| Mark P. Stoeckinger | Supervising Sound Editor |
| Mike Prestwood Smith | Recording Supervision |
| Michael Keller | Recording Supervision |
| Desma Murphy | Supervising Art Director |
| Jay Pelissier | Art Direction |
| Alan Hook | Art Direction |
| Brian Stultz | Art Direction |
| Jason Bistarkey | Assistant Art Director |
| Stan Lee | Comic Book |
| Don Heck | Comic Book |
| Larry Lieber | Comic Book |
| Jack Kirby | Comic Book |
| Joss Whedon | Thanks |
| Jeremy Latcham | Thanks |
| Adi Granov | Thanks |
| Bob Layton | Thanks |
| David Michelinie | Thanks |
| Kev Hopgood | Thanks |
| Len Kaminski | Thanks |
| Warren Ellis | Thanks |
| Dan Mintz | Executive Producer |
| Shauna Duggins | Stunt Double |
| Megan Willis | Production Assistant |
| Joel Wells | Production Secretary |
| Kaitlin Ward | Production Assistant |
| Philip Walton | Production Assistant |
| Richard D Wallace | Propmaker |
| Aaron Walker | Actor's Assistant |
| Elona Tsou | Production Coordinator |
| Shelby Treichler | Production Assistant |
| Jennifer Taginski | Set Medic |
| Loni Sykes | Production Assistant |
| Jason Sugars | Actor's Assistant |
| Alexis Strobin | Production Assistant |
| Cheryl A. Stone | Production Controller |
| Ben Stolte | Production Assistant |
| Aaron Steven | Production Assistant |
| Sheri St Lawrence | Second Assistant Accountant |
| Tarin Squillante | Production Assistant |
| Brian Schaeffer | Stand In |
| Robert Rosegren | Production Assistant |
| Jaime Rosegren | Production Assistant |
| Kim Ronstadt | First Assistant Accountant |
| Jimmy Rich | Actor's Assistant |
| Christina Pitassi | Payroll Accountant |
| John M. Pisani | Unit Publicist |
| Noelle M. Pflum | Assistant Production Coordinator |
| Ryan J. Pezdirc | Production Assistant |
| Rachael Peterson | Production Assistant |
| William Newirth | Production Assistant |
| Bob Merrick | Actor's Assistant |
| John Merchant | Assistant Production Coordinator |
| Alex Mechanik | Production Assistant |
| Adam Meadows | Production Assistant |
| Megan McNichol | Actor's Assistant |
| Evan McMillan | Production Assistant |
| Courtney McKeon | Production Assistant |
| Mimi N. McGreal | Travel Coordinator |
| Alex Marden | Production Assistant |
| Joshua Loiko | Second Assistant Accountant |
| Lindsay Little | Second Assistant Accountant |
| Lexi Lefkowitz | Production Assistant |
| Ivette Ledon | First Assistant Accountant |
| Rachel Korn | Actor's Assistant |
| Ryan Konchalski | Production Assistant |
| Jenny Kissoon | Production Assistant |
| Kari King | Production Assistant |
| Alexandra Ketcham | Actor's Assistant |
| Mara Kerum | Chef |
| Ivan Kerum | Chef |
| Kevin Keating | Actor's Assistant |
| Corey L. Howard | Production Assistant |
| Kevin Holmquest | Second Assistant Accountant |
| Christina Maher Holland | Stand In |
| Todd M. Hofacker | Actor's Assistant |
| Taylor Hamilton | Production Assistant |
| Kunga Gurung | Production Assistant |
| Drew Grey | Production Assistant |
| Geoff Gregg | Production Assistant |
| Nicholas J. Gray | Production Assistant |
| Julie Ann Grasso | Second Assistant Accountant |
| Rhona Gordon | Studio Teacher |
| Kurt Gefke | Production Assistant |
| Katie Foley | Production Assistant |
| Kale Flowers | Actor's Assistant |
| Justin Dybowski | Production Assistant |
| Brie Dorsey | Actor's Assistant |
| Michael Dorner | Payroll Accountant |
| Joseph Dizon | Production Assistant |
| Charlie Dicus | Production Assistant |
| Sadie DeRosa | Production Assistant |
| Katelynn Derengowski | Stand In |
| Joe Byrum | Production Assistant |
| Tracy Breyfogle | Second Assistant Accountant |
| Kim Breece | Art Department Assistant |
| Jeff Boardman | Second Assistant Accountant |
| Kathryn Berk | Actor's Assistant |
| Vincent Befi | Production Assistant |
| Jampier Arias | Second Assistant Accountant |
| Daniel Altieri | Second Assistant Accountant |
| Co-Co Aiello-Younger | Production Accountant |
| Stephanie Fowler Adams | Studio Teacher |
| Terry Abbott | Security |
| Brian Tyler | Conductor |
| Jeanette Surga | Music Editor |
| Joe Lisanti | Music Editor |
| Margaret Gardner | Music Coordinator |
| Rachael Tartell | Assistant Location Manager |
| London Stewart | Assistant Location Manager |
| Susanne Ragnarsson | Location Manager |
| Zachary Quemore | Assistant Location Manager |
| Sarah Goller | Assistant Location Manager |
| Johnny Eastlund | Assistant Location Manager |
| Mandi Dillin | Location Manager |
| Reed Whorton | Post Production Assistant |
| Gavin Segall-Abrams | Post Production Assistant |
| Matthew Schmidt | First Assistant Editor |
| Kathleen Latlip | Assistant Editor |
| John Dietrick | First Assistant Editor |
| Eilish Zebrasky | Assistant Costume Designer |
| Kate Wood-Baldas | Set Costumer |
| Timothy A. Wonsik | Assistant Costume Designer |
| Jessica Williamson | Costumer |
| Pete White | Costumer |
| Bianca White | Costumer |
| Kait Pickering | Costumer |
| Michelle Paré | Seamstress |
| Anne K. Osborne | Seamstress |
| Bob Moore Jr. | Key Set Costumer |
| Olga Meverden | Tailor |
| Janet Melody | Ager/Dyer |
| Olga Meverden | Seamstress |
| Lisa D. Quercioli | Costumer |
| Jordan Johnson | Costumer |
| Casey Crespo | Seamstress |
| Megan Coates | Set Costumer |
| Cheryl Beasley Blackwell | Costume Supervisor |
| Jeanie Baker | Key Set Costumer |
| Carrie Arakaki | Key Costumer |
| Tamara Hunter | Casting Associate |
| Johnny Gidcomb | ADR Voice Casting |
| Jackie Burch | Local Casting |
| Evan Clover | Animation |
| Cody York | Rigging Grip |
| Sean Yaple | Second Assistant "B" Camera |
| Matt Wilbur | Rigging Grip |
| Doug Wall | Best Boy Grip |
| Jarred Waldron | Gaffer |
| David Vassalotti | Grip |
| Dick VanNewkirk | Rigging Grip |
| Ryan Vanlossberg | Dolly Grip |
| Ivan Silva | Grip |
| Zade Rosenthal | Still Photographer |
| Sean Ricigliano | Epk Camera Operator |
| Brooks Robinson | "B" Camera Operator |
| Harrison Palmer | Rigging Grip |
| Brooks Robinson | Steadicam Operator |
| Mike Moad | Dolly Grip |
| John McIntyre | Second Assistant "B" Camera |
| Joe Macaluso | Best Boy Grip |
| Ryan Louden | Grip |
| Joe Macaluso | Key Grip |
| Brian Lister | Rigging Grip |
| Al LaVerde | Key Grip |
| Rodney Robert Hoffman Jr. | Grip |
| Wesley R. Hardee | Rigging Grip |
| Frank Godwin | Additional Photography |
| David Ghegan | Best Boy Electric |
| Sean Frohardt | Best Boy Grip |
| Alexander Cruz | Grip |
| Joseph Coyle | Grip |
| Edward J. Cox | Rigging Gaffer |
| Clyde E. Bryan | First Assistant "B" Camera |
| Larry Blanford | Second Unit Director of Photography |
| James Bell | Rigging Grip |
| Jayson Barber | Rigging Grip |
| Julian Baker | Rigging Grip |
| Kent Baker | Key Rigging Grip |
| Jamie Baglio | Best Boy Electric |
| Andy Bader | Camera Loader |
| Rocky Amon | Rigging Grip |
| Sal Alvarez | Second Assistant "A" Camera |
| Phil Somerville | Stunts |
| Gregg Smrz | Stunts |
| Brian Simpson | Stunts |
| Philip J. Silvera | Stunts |
| Todd Schneider | Stunts |
| Markos Rounthwaite | Stunt Coordinator |
| Joe Ross | Stunts |
| J.C. Robaina | Stunts |
| Jade Quon | Stunts |
| Yung q | Stunts |
| Chris O'Hara | Stunts |
| Anthony N. | Stunts |
| William Morts | Stunts |
| Michael McGuire | Utility Stunts |
| Mike Massa | Stunt Double |
| Tara Macken | Stunt Double |
| Jared Losano | Stunts |
| Jake Lombard | Stunts |
| Samuel Le | Stunts |
| Mark Knutson | Stunts |
| Adam Kirley | Stunts |
| Keone Kim | Stunts |
| Dennis Keiffer | Stunts |
| Tony Jefferson | Stunt Double |
| Lisa Hoyle | Stunts |
| Regis Harrington | Stunt Double |
| Trevor Habberstad | Stunt Double |
| Jeff Habberstad | Stunt Coordinator |
| Adrian F. Gonzalez | Stunts |
| Mark Ginther | Stunts |
| Monique Ganderton | Stunt Double |
| Gary Fry | Stunts |
| Aja Frary | Stunts |
| Glenn Foster | Stunt Double |
| Colin Follenweider | Stunts |
| Greg Fitzpatrick | Stunts |
| Mark Fichera | Stunts |
| Dane Farwell | Stunts |
| Kofi Elam | Stunts |
| Kiante Elam | Stunts |
| Arturo Dickey | Stunts |
| Jacob Dewitt | Stunts |
| Thomas DeWier | Stunts |
| Chris Daniels | Stunts |
| Brycen Counts | Stunts |
| Ilram Choi | Stunts |
| Fernando Chien | Stunts |
| Mark Chadwick | Stunts |
| Kial Butler | Stunts |
| Dan Brown | Stunts |
| Emily Brobst | Stunt Double |
| Chris Brewster | Stunt Double |
| Nick Brandon | Stunts |
| Alisa Hensley | Stunt Double |
| Kevin L. Jackson | Stunts |
| Alicia Vela-Bailey | Stunts |
| Jennifer Badger | Utility Stunts |
| Hiroshi Mori | Visual Effects |
| Nathaniel Caauwe | Rotoscoping Artist |
| Zack Duhame | Stunts |
| Lisa Marra | Visual Effects Production Manager |
| Lou Pecora | Compositing Artist |
