 | Beanie Feldstein als Molly Davidson |
 | Kaitlyn Dever als Amy Antsler |
 | Skyler Gisondo als Jared |
 | Diana Silvers als Hope |
 | Eduardo Franco als Theo |
 | Noah Galvin als George |
 | Mason Gooding als Nick |
 | Nico Hiraga als Tanner |
 | Molly Gordon als Annabelle "Triple A" |
 | Billie Lourd als Gigi |
 | Victoria Ruesga als Ryan |
 | Jessica Williams als Miss Fine |
 | Austin Crute als Alan |
 | Jason Sudeikis als Principal Jordan Brown |
 | Lisa Kudrow als Charmaine Antsler |
 | Will Forte als Doug Antsler |
 | Michael Patrick O'Brien als Pat the Pizza Guy |
 | Ben Harris als Yacht Waiter |
 | Kyle Samples als Butler |
 | Deb Hiett als George's Mom |
 | Bluesy Burke als Cindy |
 | Christopher Avila als Rob |
 | Stephanie Styles als Alison |
 | John Hartman als Yacht Waiter #2 |
 | Adam Krist als Dick |
| Gideon Lang als Skip |
 | Ellen Doyle als Murder Mystery Nurse |
 | Maya Rudolph als Motivational Voice (voice) |
| Chelsea Barnard | Producer |
| Megan Ellison | Producer |
| Sarah Haskins | Writer |
| Emily Halpern | Writer |
| Olivia Wilde | Director |
| David Distenfeld | Producer |
| Adam McKay | Executive Producer |
| Jamie Gross | Editor |
| Scott Robertson | Executive Producer |
| April Napier | Costume Design |
| Katie Byron | Production Design |
| Katie Silberman | Writer |
| Jason McCormick | Director of Photography |
| Susanna Fogel | Writer |
| Will Ferrell | Executive Producer |
| Allison Jones | Casting |
| Jillian Longnecker | Executive Producer |
| Mathew Waters | Additional Sound Re-Recording Mixer |
| Skip Lievsay | Sound Re-Recording Mixer |
| Paul Urmson | Sound Re-Recording Mixer |
| Onnalee Blank | Additional Sound Re-Recording Mixer |
| Onnalee Blank | Supervising Sound Editor |
| Lisa Pinero | Sound Mixer |
| Dan the Automator | Original Music Composer |
| Jessica Elbaum | Producer |
| Katie Silberman | Producer |
| Alex G. Scott | Executive Producer |
| Brent White | Editor |
| Bryan Ling | Music Supervisor |
| Tracey Landon | Unit Production Manager |
| Scott Robertson | First Assistant Director |
| Andrew Stahl | Second Assistant Director |
| Erika Toth | Art Direction |
| Rachael Ferrara | Set Decoration |
| Liz Lash | Makeup Department Head |
| Michelle Chung | Makeup Artist |
| Hector C. Gika | Sound Effects Editor |
| Shaughnessy Hare | Sound Effects Editor |
| Bradley C. Katona | Sound Effects Editor |
| Matthew Wilson | Sound Effects Editor |
| Raoul Bolognini | Visual Effects Producer |
| Robert Grasmere | Visual Effects Supervisor |
| David Lebensfeld | Visual Effects Supervisor |
| Grant Miller | Visual Effects Supervisor |
| Katina Danabassis | Assistant Costume Designer |
| Drew Bender | Set Dresser |
| Marcella Brennan | Set Dresser |
| Mary Florence Brown | Art Department Assistant |
| Betty Krul | Set Designer |
| Marcy Silver | Art Department Assistant |
| Tom Wagman | Set Designer |
| Diane Zurn | Set Decoration Buyer |
| Culley Bunker | Visual Effects Supervisor |
| Kim Church | Visual Effects Producer |
| Richard Ivan Mann | Visual Effects Producer |
| Katie Reibman | Set Costumer |
| Tracy Keehn-Dashnaw | Stunt Coordinator |
| Hayley C. Rosales | Stunt Double |
| Debbie Evans | Stunt Double |
| Clay Cullen | Stunt Double |
| Allison Caetano | Stunt Double |
| Heidi Pascoe | Stunt Double |
| Edward Bossert | Stunts |
| Jake Dashnaw | Stunts |
| Reid Harper | Stunts |
| Linda Jewell | Stunts |
| Mandy Kowalski | Stunts |
| Bethany Levy | Stunts |
| Kara Petersen | Stunts |
| Donna Evans | Stunt Driver |
| Jeremy Fitzgerald | Stunt Driver |
| Jeffrey J. Dashnaw | Stunt Driver |
| Denna Thomsen | Choreographer |
| Katie Ballaine | Associate Producer |
| Dane R. Naimy | First Assistant Editor |
| Chris Haarhoff | "A" Camera Operator |
| Chris Haarhoff | Steadicam Operator |
| David Parson | First Assistant "A" Camera |
| John Parson | Second Assistant "A" Camera |
| Dennis Dwyer | "B" Camera Operator |
| John Rex Woodward | First Assistant "B" Camera |
| Peter Parson | Second Assistant "B" Camera |
| Sean Goller | Digital Imaging Technician |
| François Duhamel | Still Photographer |
| Robert Settlemire | Underwater Camera |
| Kristin Bree Calabrese | Script Supervisor |
| Lisa Pinero | Production Sound Mixer |
| David Raymond | Boom Operator |
| Ryan McGuire | Key Grip |
| Chris Mayhugh | Best Boy Grip |
| Michael Wahl | Dolly Grip |
| Paul Parson | Grip |
| Manny Tapia | Gaffer |
| Jason Sidore | Best Boy Electric |
| James Barrett | Rigging Gaffer |
| Hannah Hurney | Art Department Coordinator |
| Peter Beck | Storyboard Artist |
| Alexandra Maziekien | Graphic Designer |
| Hugo Baltazar | Set Dresser |
| Jeffrey Oster | Set Dresser |
| Katie Peña | Set Dresser |
| Noelle Pinola | Set Dresser |
| Joshua Ponce | Set Dresser |
| Brenden Salmon | Property Master |
| Tony Maniaci | Assistant Property Master |
| Gilchrist Macquarrie | Assistant Property Master |
| Jeremy Hays | Special Effects Coordinator |
| Coral Cunningham | Key Costumer |
| Minnie Garcia | Costumer |
| Ashlee Mullen | Key Makeup Artist |
| Liza Coggins | Makeup Artist |
| Aubrey Marie | Hair Department Head |
| Stephanie Rives | Key Hair Stylist |
| Rheanne Garcia | Hairstylist |
| Ben Harris | Casting Associate |
| Emily Buntyn | Casting Assistant |
| Tracy Dixon | Extras Casting |
| Michael Wesley | Location Manager |
| Richard Streeter | Assistant Location Manager |
| Tommy Woodard | Assistant Location Manager |
| Susanne Medina | Assistant Location Manager |
| Rich Bokides | Assistant Location Manager |
| Rabeyah Khan | Assistant Location Manager |
| Luis Aguilar | Assistant Location Manager |
| Eric Layne | Production Accountant |
| Nancy A. Terriberry | Assistant Accountant |
| Sarah Spearing | Production Coordinator |
| Joanne Ramos | Assistant Production Coordinator |
| Mandy Anderson | Production Secretary |
| Joy Ellison | Dialect Coach |
| Rowena Li | Dialect Coach |
| Louis Dargenzio | Transportation Coordinator |
| Jacob D. Howard | Set Medic |
| Brooke Ensign | Unit Publicist |
| Onnalee Blank | Sound Re-Recording Mixer |
| Mathew Waters | Sound Re-Recording Mixer |
| Russell Farmarco | Supervising Dialogue Editor |
| Russell Farmarco | ADR Editor |
| Daniel S. Irwin | Dialogue Editor |
| Geordy Sincavage | Foley Mixer |
| Geordy Sincavage | Foley Supervisor |
| Jordan McClain | Foley Editor |
| Matt Salib | Foley Artist |
| Tara Blume | Foley Artist |
| Vincent Guisetti | Foley Artist |
| Mark Coffey | Assistant Sound Editor |
| Rachel Wardell | Assistant Sound Editor |
| Howard London | ADR Mixer |
| Aaron Southerland | ADR Mixer |
| Jeffrey Roy | ADR Mixer |
| Steve M. Davison | Stunt Driver |
| Allan Padelford | Stunt Driver |
