Carey Mulligan as Cassandra

Bo Burnham as Ryan

Alison Brie as Madison

Clancy Brown as Stanley

Jennifer Coolidge as Susan

Laverne Cox as Gail

Chris Lowell as Al Monroe

Molly Shannon as Mrs. Fisher

Connie Britton as Dean Walker

Adam Brody as Jerry

Max Greenfield as Joe

Christopher Mintz-Plasse as Neil

Steve Monroe as Lincoln

Sam Richardson as Paul

Ray Nicholson as Jim

Timothy E. Goodwin as Monty

Alli Hart as Ruby

Loren Paul as Jeff

Scott Aschenbrenner as Jeff's Friend

Gabriel Oliva as Alfred

Bryan Lillis as Tony

Francisca Estevez as Amber

Lorna Scott as Jean

Casey Adams as George

Vince Lozano as Simon

Mike Horton as Chip

Angela Zhou as Todd

Austin Talynn Carpenter as Anastasia

Emerald Fennell as Woman in Makeup Tutorial (uncredited)

Alfred Molina as Mr. Green (uncredited)