 | Anna Kendrick als Stephanie Smothers |
 | Blake Lively als Emily Nelson |
 | Henry Golding als Sean Townsend |
 | Rupert Friend als Dennis Nylon |
 | Linda Cardellini als Diana Hyland |
 | Bashir Salahuddin als Detective Summervile |
 | Danielle Bourgon als Grace, Stephanie's Mom |
 | Kelly McCormack als Stacy |
 | Andrew Rannells als Darren |
 | Ian Ho als Nicky Nelson |
 | Joshua Satine als Miles Smothers |
 | Paul Jurewicz als Bobby Chelkowsky |
 | Roger Dunn als Bruce Hargrave |
 | Dustin Milligan als Chris |
 | Eric Johnson als Davis |
 | Jason Oliveira als Diego |
 | Patti Harrison als Kiko |
| Ava LaFramboise als Lulu |
 | Jean Smart als Margaret McLanden |
 | Sarah Baker als Maryanne Chelkowsky |
 | Glenda Braganza als Mrs. Kerry |
 | Zach Smadu als Officer Blanco |
 | Andrew Moodie als Sergeant Molloy |
 | Aparna Nancherla als Sona |
 | Gia Sandhu als Valerie |
 | Melissa O'Neil als Beth |
| Jiah Mavji als Sona's Daughter |
| Lila Yee als Margaret |
 | Sugenja Sri als Dennis Nylon Receptionist |
 | Noorin Gulamgaus als Dennis Nylon Intern |
| Katherine Cullen als Dennis Nylon Assistant |
 | Howard Hoover als Priest |
 | Ronnie Rowe als Police Officer #1 |
 | Melody Johnson als Police Officer #2 |
 | Corinne Conley als Librarian |
 | Olivia Sandoval als Ms. Prager |
| Nicole Peters als Hope (16 Years Old) |
| Lauren Peters als Faith (16 Years Old) |
 | Umed Amin als Drugged Out Older Guy |
 | Jamie Jones als Mr. McLanden |
 | Lesleh Donaldson als Bus Tourist |
| Tina Legris als Tattoo Artist |
 | Chris Owens als Detective |
| Geoffrey Antoine als Warfield Police Officer |
 | Rosanna Scotto als TV Reporter #1 |
| Lorene Stokes als TV Reporter #2 |
 | Stacey Coke als Lawyer |
 | Jung-Yul Kim als SWAT Leader |
| Domenic Cina als Press #1 |
| Julio Benitez Guardiola als Press #2 |
| Debra Kaiser als Press #3 |
| Carmen Araiza als Press #4 |
| Michael Park Ingram als Press #5 |
| Glen Brough als Press #6 |
| Paul Feig | Writer |
| Paul Feig | Director |
| Allison Jones | Casting |
| John Schwartzman | Director of Photography |
| Brent White | Editor |
| Darcey Bell | Novel |
| Jessica Sharzer | Screenplay |
| Erica Weis | Music Supervisor |
| Theodore Shapiro | Music |
| Renee Ehrlich Kalfus | Costume Designer |
| John Mackenzie | Construction Coordinator |
| Kevin Haeberlin | Leadman |
| Glendon Davis | Epk Camera Operator |
| John W. Duvall | Key Grip |
| Erica Weis | Music Editor |
| Derek Robertson | Script Coordinator |
| Emily Buntyn | Casting Assistant |
| Leslie A. Sebert | Makeup Department Head |
| Andrew DeCristofaro | Supervising Sound Editor |
| Robert Johnson | Key Grip |
| Shawn Zacchigna | Colorist |
| Jacqueline Robertson Cull | Key Hair Stylist |
| Brian van de Valk | Head Carpenter |
| Stefan Sonnenfeld | Digital Intermediate Colorist |
| Elspeth Cassar | Production Coordinator |
| Julia Hutchison | Second Assistant Accountant |
| Jessie Henderson | Producer |
| Inge Klaudi | Makeup Artist |
| Ann-Marie Ferney-Tellez | Property Buyer |
| Kari Measham | Set Decoration Buyer |
| Toni Wong | Set Dresser |
| Scott Dougherty | Visual Effects Producer |
| David Allan | Gaffer |
| Holly Marie Lloyd | Costume Assistant |
| Justin Kirshenbaum | Production Assistant |
| Lisa Shamata | Publicist |
| Cliona Furey | Hair Department Head |
| Laura Keightley | Set Decoration Buyer |
| David Stanke | First Assistant Sound Editor |
| Matthew Reid | Second Assistant "A" Camera |
| Mia Sturup | Costume Coordinator |
| Annie Johnson | Digital Intermediate Producer |
| Jen Gillespie | Production Secretary |
| Eldo Ray Estes | Makeup Designer |
| Marty Dejczak | Location Manager |
| Miyuki Mori | Makeup Artist |
| Regina Robb | Production Manager |
| David Best | Assistant Art Director |
| Renee Ehrlich Kalfus | Costume Design |
| Silvia Platsis | Key Makeup Artist |
| Linda Cheung | Set Dresser |
| Valerie Martin | Second Assistant "B" Camera |
| Sarah McDonald | Casting Assistant |
| Marcia Scott | Assistant Costume Designer |
| Tim Weber | Visual Effects Coordinator |
| Michael Carella | Camera Operator |
| Soo Luen Tom | Set Costumer |
| Alexandra Scratch | Assistant Editor |
| Ian Sullivan | Digital Intermediate |
| Mark Graham | Conductor |
| Dane R. Naimy | First Assistant Editor |
| Josephine Ochej | Assistant Production Coordinator |
| Dave Staples | Transportation Coordinator |
| Al Cerullo | Pilot |
| Vivian Baker | Makeup Designer |
| Anna Behlmer | Sound Re-Recording Mixer |
| Mark Paterson | Sound Re-Recording Mixer |
| David Magdael | Publicist |
| Karla Trujillo Villon | Travel Coordinator |
| Brandt Gordon | Art Direction |
| Patricia Larman | Set Decoration |
| David Jobe | Foley Mixer |
| Ron Renzetti | Dolly Grip |
| Kathleen Meade | Costume Supervisor |
| Julia Bucar | Set Dresser |
| Gautam Pinto | Digital Imaging Technician |
| Jeff DaSilva | First Assistant Camera |
| Teresa Young | Makeup Artist |
| Michael Innanen | Special Effects Coordinator |
| Dean Stinchcombe | First Assistant Camera |
| Bruce Macaulay | Still Photographer |
| Jonathan Oliveira | Casting Associate |
| Joaquin Diego Prange | Location Manager |
| John Ashton Thomas | Orchestrator |
| Ryan McCaffrey | Set Dresser |
| Denis Bellingham | Boom Operator |
| David Lingenfelser | Visual Effects Supervisor |
| Mark Berdock | Dolly Grip |
| Alex Lawrence | Electrician |
| Daniela Saioni | Script Supervisor |
| Paul Feig | Producer |
| Scotia Boyd | Key Makeup Artist |
| Sandor Mate | Carpenter |
| Judah Getz | ADR Mixer |
| Laura Harris Atkinson | Dialogue Editor |
| Martin Brown | Epk Camera Operator |
| Ben Harris | Casting Associate |
| Dee Schuka | Post Production Accountant |
| Jefferson Sage | Production Design |
| Cheryl Ross | Hairstylist |
| Myron Hoffert | First Assistant Director |
| Becky Sullivan | Supervising Sound Editor |
| Walter Thomson | Additional Photography |
| Peter Symonowicz | Digital Imaging Technician |
| Jason Cox | Epk Producer |
| Rachel Aberly | Unit Publicist |
| Tom Brown | Music Arranger |
| Hannah Scott | Stunts |
