Trailer
 | Kristen Wiig as Annie |
 | Maya Rudolph as Lillian |
 | Rose Byrne as Helen |
 | Chris O'Dowd as Rhodes |
 | Melissa McCarthy as Megan |
 | Wendi McLendon-Covey as Rita |
 | Ellie Kemper as Becca |
 | Jill Clayburgh as Annie's Mom |
 | Matt Lucas as Gil |
 | Rebel Wilson as Brynn |
 | Michael Hitchcock as Don Cholodecki |
 | Terry Crews as Boot Camp Instructor |
 | Tom Yi as Jewelry Store Couple |
 | Elaine Kao as Jewelry Store Couple |
 | Kali Hawk as Kahlua |
 | Joe Nuñez as Oscar the Security Guard |
 | Greg Tuculescu as Kevin |
 | Steve Bannos as Annie's Mistaken Husband |
 | Hugh Dane as Annie's Mistaken Fella |
 | Franklyn Ajaye as Lillian's Dad |
 | Tim Heidecker as Dougie |
 | Lynne Marie Stewart as Lillian's Mom |
 | Andy Buckley as Helen's Husband |
 | Molly Buffington as Helen's Stepdaughter |
 | Matt Bennett as Helen's Stepson |
 | Nancy Carell as Helen's Tennis Partner |
 | Melanie Hutsell as Annie's Tennis Partner |
 | Eloy Casados as Churra Chi Waiter |
 | Jessica St. Clair as Whitney |
 | Dana Powell as Flight Attendant Claire |
 | Mitch Silpa as Flight Attendant Steve |
 | Annie Mumolo as Nervous Woman on Plane |
 | Ben Falcone as Air Marshall Jon |
| Angelica Acedo as Flight Attendant in Coach |
 | Mia Rose Frampton as 13 Year Old Girl in Jewelry Store |
| Joel Madison as 13 Year Old Girl's Father |
 | R.F. Daley as Butler |
 | Jordan Black as Horseman |
 | David Hoffman as Doorman at Shower |
 | Jillian Bell as Girl at Shower |
 | Ariane Price as Girl at Shower |
 | Frederik Hamel as Shower Waiter |
 | Richard Riehle as Bill Cozbi |
 | Jimmy Brogan as Minister |
 | Carnie Wilson as Carnie Wilson |
 | Chynna Phillips as Chynna Phillips |
 | Wendy Wilson as Wendy Wilson |
 | Jon Hamm as Ted (uncredited) |
 | Brian Petsos as Pete (uncredited) |
 | Blake Garrett Rosenthal as Tyler (uncredited) |
 | Paul Feig as Wedding Guest (uncredited) |
 | Pat Carroll as Old Woman in Car (uncredited) |
 | Suzanne LaChasse as Hostess (uncredited) |
 | Owen Daniels as Obnoxious Ice Skater (uncredited) |
 | Greg Worswick as Valet (uncredited) |
| Joyce Lakin as Lillian's Aunt (uncredited) |
| Directing | |
| Paul Feig | Director |
Production | |
| Judd Apatow | Producer |
| Paul Feig | Executive Producer |
Crew | |
| Darrin Prescott | Stunts |
Editing | |
| Michael L. Sale | Editor |
Art | |
| Jefferson Sage | Production Design |
Sound | |
| Cindy Marty | Sound Effects Editor |
Costume & Make-Up | |
| David Danon | Key Hair Stylist |
Art | |
| Ari Jacobs | Art Department Coordinator |
Sound | |
| Michael Andrews | Original Music Composer |
| Jonathan Karp | Music Supervisor |
Production | |
| Allison Jones | Casting |
Camera | |
| Casey Hotchkiss | Camera Operator |
Crew | |
| Donald Frazee | Special Effects Coordinator |
Art | |
| Douglas A. Mowat | Set Decoration |
Camera | |
| Suzanne Hanover | Still Photographer |
Sound | |
| Adam Jenkins | Sound Re-Recording Mixer |
Production | |
| Clayton Townsend | Producer |
Sound | |
| George H. Anderson | Supervising Sound Editor |
Costume & Make-Up | |
| Christine Wada | Costume Design |
Camera | |
| Chris Haarhoff | Steadicam Operator |
Costume & Make-Up | |
| Jose Zamora | Hairstylist |
Art | |
| Keith P. Cunningham | Art Direction |
Costume & Make-Up | |
| Heba Thorisdottir | Makeup Department Head |
Sound | |
| Ken McLaughlin | Production Sound Mixer |
Editing | |
| William Kerr | Editor |
Costume & Make-Up | |
| Janine Rath-Thompson | Hair Department Head |
Camera | |
| Chris Haarhoff | Camera Operator |
Production | |
| Barry Mendel | Producer |
Costume & Make-Up | |
| Leesa Evans | Costume Design |
Directing | |
| Sheila Waldron | Script Supervisor |
Camera | |
| Robert D. Yeoman | Director of Photography |
Sound | |
| Marc Fishman | Sound Re-Recording Mixer |
Crew | |
| Jessie Graff | Stunts |
Production | |
| Kristen Wiig | Co-Producer |
| Annie Mumolo | Co-Producer |
Costume & Make-Up | |
| Veronica Lorenz | Makeup Artist |
Sound | |
| Larry Kemp | Dialogue Editor |
| Andy Malcolm | Foley Artist |
| Jack Heeren | Foley Mixer |
| James Matheny | Dialogue Editor |
| Joe Schiff | ADR Editor |
| Don White | Foley Mixer |
| Stephen Muir | Foley Recordist |
| Tammy Fearing | ADR Supervisor |
| Greg Zimmerman | ADR Recordist |
| Jenna Dalla Riva | Foley Recordist |
| Greg Steele | ADR Mixer |
| Goro Koyama | Foley Artist |
Crew | |
| Janene Carleton | Stunts |
| Olivia Summers | Stunt Driver |
| Boni Yanagisawa | Stunts |
| Georgina Tsoar | Stunt Driver |
| Jessica Harbeck | Stunts |
| Heather Martin | Stunts |
Production | |
| Lisa Goldberg | Associate Producer |
Crew | |
| Kristen Hance | Stunts |
| Olivia Summers | Stunts |
| Jennifer Adams | Stunts |
Lighting | |
| William Streit | Electrician |
Crew | |
| Gary Thomas Williams | Driver |
Art | |
| Steve Arnold | Set Designer |
Writing | |
| Annie Mumolo | Writer |
| Kristen Wiig | Writer |
