Bel Powley as Carrie Pilby

Vanessa Bayer as Tara

Colin O'Donoghue as Professor Harrison

William Moseley as Cy

Jason Ritter as Matt

Gabriel Byrne as Mr. Pilby

Nathan Lane as Dr. Petrov

Scott Keiji Takeda as Ronald

Frank Huerta as Cute Guy

Desmin Borges as Douglas

Z Infante as Davy

Joel Michaely as George

Coral Peña as Hostess

Ayse Kırca as Waitress

Gregory Díaz IV as Obnoxious Kid #1

Benicio Franqui as Obnoxious Kid #2

Bryan Winston as Bartender

Justin Dean as Dex

Cornelia Guest as Mrs. Rubin

Poorna Jagannathan as Fliss

Mahaley Patel as Amanda

Christina Concetta as Cooking Woman

Andy Bustillos as Ted

Emily Faris as Cute Girl (uncredited)

Julian Graham as Marcel (uncredited)

Doris McCarthy as Party Guest (uncredited)

Elisabeth Ng as Hostess (uncredited)

Charlotte Otremba as Student (uncredited)

Angelina Palma as Party Guest (uncredited)

Clifford Rivera as Obnoxious Kids' Father (uncredited)

Guy Sparks as Bouncer (uncredited)