 | Will Ferrell als James King |
 | Kevin Hart als Darnell Lewis |
 | Alison Brie als Alissa |
 | Craig T. Nelson als Martin |
 | T.I. als Russell |
 | Greg Germann als Peter Penny |
 | Matt Walsh als Bathroom Stall Man |
 | Mariana Paola Vicente als Alissa's Friend |
 | Katia Gomez als Rosa |
 | Candi Brooks als Alissa's Friend |
 | Jimmy Fallon als Jimmy Fallon |
 | Edwina Findley als Rita |
 | Erick Chavarria als Cecelio |
 | Ariana Neal als Makayla |
 | Paul Ben-Victor als Gayle Burns |
 | John Mayer als John Mayer |
 | Jon Eyez als Big Mike |
 | Nito Larioza als Jaoa |
 | Dan Bakkedahl als Leo |
 | Ron Funches als Jojo |
 | Jackie Tuttle als Alissa's Friend |
 | Christopher Berry als Spider |
 | Raeden Greer als Groupie |
 | Elliott Grey als Judge |
 | James Moses Black als FBI Agent |
| Brian Oerly als Skinhead |
| Chris Marroy als Trader |
| Joshua Joseph Gillum als Rico |
 | Dave Davis als Cross Dresser |
 | T.J. Jagodowski als Chris |
 | Shad Gaspard als Big Ass Julian |
 | Dominique Perry als Shonda |
 | Eli Jane als Yoga Mom (uncredited) |
 | Erika Erica als Client (uncredited) |
 | Hans Marrero als Big Guy #3 (uncredited) |
| Michael Martin als Homeless Guy |
| Gene Serdena | Set Decoration |
| Doc Kane | ADR Mixer |
| Elmo Weber | Sound Re-Recording Mixer |
| Catherine Harper | Foley Artist |
| Maher Ahmad | Production Design |
| Tim Suhrstedt | Director of Photography |
| George H. Anderson | Sound Designer |
| Ian Roberts | Screenplay |
| Ian Roberts | Story |
| John S. Baker | Special Effects Coordinator |
| Shay Cunliffe | Costume Design |
| Will Ferrell | Producer |
| Christophe Beck | Original Music Composer |
| Allison Jones | Casting |
| Etan Cohen | Screenplay |
| Etan Cohen | Director |
| Adam McKay | Producer |
| Adam McKay | Story |
| Kevin J. Messick | Executive Producer |
| Gary Archer | Prosthetics |
| Steve Artmont | Makeup Department Head |
| Henry Cline | "B" Camera Operator |
| Chris Henchy | Executive Producer |
| Michael L. Sale | Editor |
| Jay Martel | Screenplay |
| Jay Martel | Story |
| Monty L. Simons | Stunts |
| Kelly Curley | Art Direction |
| Bridget Cook | Hair Department Head |
| Ronald J. Webb | Music Editor |
| Ravi D. Mehta | Executive Producer |
| Christopher T. Welch | ADR Editor |
| Taryn Terrell | Stunts |
| Andree Fortier | Costume Supervisor |
| Steven Ritzi | Stunt Coordinator |
| Matthew Gatlin | Assistant Art Director |
| Richard Cowan | First Assistant Director |
| Lee Gilmore | Sound Effects Editor |
| Andy Ryan | Chief Lighting Technician |
| Gregg Barbanell | Foley Artist |
| Larry Kemp | Dialogue Editor |
| Patti Perret | Still Photographer |
| Lex D. Geddings | Stunt Coordinator |
| Fernand Bos | Music Editor |
| Brad Sherman | Sound Re-Recording Mixer |
| Tammy Sandler | Unit Publicist |
| Brett McKenzie | Art Direction |
| Drew Guajardo | Assistant Property Master |
| Doug Dovichi | Transportation Coordinator |
| Donna Spahn | Key Hair Stylist |
| Batou Chandler | Location Manager |
| Randall S. Coe | Construction Coordinator |
| Carl G. Variste | Hairstylist |
| Phil Barrie | Sound Effects Editor |
| Lawrence Karman | "A" Camera Operator |
| Bob Dohrmann | Unit Production Manager |
| Bob Dohrmann | Co-Producer |
| Emily Tatum | Makeup Artist |
| Edward J. Borasch Jr | Property Master |
| Bruce Jones | Visual Effects Supervisor |
| Nito Larioza | Choreographer |
| Michael Applebaum | "B" Camera Operator |
| Patricia Gorman | Key Costumer |
| Steven Mnuchin | Executive Producer |
| Carl Anthony Nespoli | Stunt Double |
| Dave Kelsey | Set Designer |
| Jennifer Hodges | Hairstylist |
| Eric Salas | Stunt Double |
| Cate Hardman | Script Supervisor |
| Alice Alward | Art Department Coordinator |
| John Bernecker | Stunt Double |
| Reba Saul | Key Costumer |
| Gabe Hilfer | Music Supervisor |
| Brian Scott Olds | Additional Editing |
| Tammy Fearing | Sound Supervisor |
| Kenneth Marsten | Additional Editor |
| Ken Van Duyne | Assistant Costume Designer |
| Joe Schiff | Dialogue Editor |
| Dan Muscarella | Color Timer |
| Cherie Tamai | Assistant Sound Editor |
| Mikki Levi | First Assistant Editor |
| David Wyman | Production Sound Mixer |
| Carla Brenholtz | Key Makeup Artist |
| Kostas Theodosiou | Digital Intermediate Colorist |
| Jaim O'Neil | Assistant Chief Lighting Technician |
| Bart Brevé | First Assistant Editor |
| Jimi Ryan | Key Grip |
| Jacob Eaton | Visual Effects Producer |
| Darrin Mann | Foley Mixer |
| Scott August | Second Assistant Director |
| Bob Riggs | Special Effects Coordinator |
| David J. White II | First Assistant "A" Camera |
| Ryan Putz | Utility Sound |
| Thomas J. O'Connell | ADR Mixer |
| Roy Seeger | Assistant Sound Editor |
| Robert Baird | First Assistant "B" Camera |
| Mike DeGrazzio | Digital Imaging Technician |
| Gregory S. Carr | Second Second Assistant Director |
| Justin Charles Evans | Stunt Double |
| Jason Marconi | Title Designer |
| Betsy Lindell | Boom Operator |
| Michael A. Johnson | Leadman |
| Kelly Hemenway | Graphic Designer |
| Nick Nicolay | Best Boy Grip |
| Abigail Callahan | Post Production Supervisor |
