Two academic teenage superstars realize, on the eve of their high school graduation, that they should have worked less and played more. Determined to never fall short of their peers, the girls set out on a mission to cram four years of fun into one night.
Kaitlyn Dever Amy
Beanie Feldstein Molly
Jessica Williams Miss Fine
Jason Sudeikis Principal Brown
Lisa Kudrow Charmaine
Will Forte Doug
Victoria Ruesga Ryan
Mason Gooding Nick
Skyler Gisondo Jared
Diana Silvers Hope
Molly Gordon Triple A
Billie Lourd Gigi
Eduardo Franco Theo
Nico Hiraga Tanner
Austin Crute Alan
Noah Galvin George
Michael Patrick O'Brien Pat the Pizza Guy
Ben Harris Yacht Waiter
Kyle Samples Butler
Deb Hiett George's Mom
Bluesy Burke Cindy
Christopher Avila Rob
Stephanie Styles Alison
John Hartman Yacht Waiter #2
Adam Krist Dick
Gideon Lang Skip
Ellen Doyle Murder Mystery Nurse
Maya Rudolph Motivational Voice (voice)