Sadie Sink as Her

Dylan O'Brien as Him

Taylor Swift as Her, Later On

Jake Lyon as Him, Later On

Shawn Levy as Her Dad

Rashauna Eastman as His Friend

Anthony Espino as His Friend

Jeffrey Castillo Peña as His Friend

Elise Turin as His Friend

Mariama Bonetti as Her Friend

Laura Krstovska-Guerrero as Her Friend

Sophie Levy as Her Friend

Tess Levy as Her Friend

Charlie Levy as Her Friend

Colette Levy as Her Friend

Christine Brown as Dream Girl

Megan Harris as Dream Girl

Taylor Hennings as Dream Girl

Erik Dawson as Party Guest

Jeremiah Corley as His Friend

Mitchell Sink as Her Friend

Alex Penagos as Dream Girl

Jodie Taylor as Dream Girl

Diana Byrd as Party Guest

Matt Carignan as Party Guest

Jorge Dorsinville as Party Guest

Oscar Eli as Party Guest

Brianna Figueroa as Party Guest

Jason Homayoon as Party Guest

Ava Hsu as Party Guest

Molly Karow as Party Guest

Olivia Karow as Party Guest

Taylor Kobryn as Party Guest

Kamilah Marshall as Party Guest

Sokhna Mbaye as Party Guest

Ivey Monroe as Party Guest

Justine Newman as Party Guest

Melanie Nyema as Party Guest

Tara Prangell as Party Guest

Tiffany Shinn as Party Guest

Ally Woss as Party Guest

Liz June as Party Server

Mira Moore as Party Server

Cami Arrow as Her Literary Team

Thaddeus Langly as Her Literary Team

Anna Leonard as Her Literary Team

Doug Moritz as Her Literary Team

Stella Amberiadis as Her Literary Fan

Julia Barnard as Her Literary Fan

Bernadette Fong as Her Literary Fan

Junio Enrique as Her Literary Fan

Omar Ezat as Her Literary Fan

Emily Garcia as Her Literary Fan

Adam Lochridge Gerhardt as Her Literary Fan

Martina Gordon as Her Literary Fan

Candice Jean-Jacques as Her Literary Fan

Acei Martin as Her Literary Fan

Stephanie Theresa Pabon as Her Literary Fan

Miroslav Piurko as Her Literary Fan

Jalil Reddick as Her Literary Fan

Tiana Soares as Her Literary Fan

Khiry Walker as Her Literary Fan