K.J. Apa as Griffin

Maia Mitchell as Phoebe Fisher

Jacob Latimore as Alec

Halston Sage as Erin

Tyler Posey as Ricky

Mario Revolori as Reece

Sosie Bacon as Audrey

Gage Golightly as Paige

Greer Grammer as Christine Purdy

Nicole Forester as Margaux

Wolfgang Novogratz as Foster

Jacob McCarthy as Chad

Audrey Grace Marshall as Lilah

Valerie Jane Parker as Claire

Sameera Eligeti as Janet

Brenna Sherman as Sierra

Jackie Sandler as Tracey

Christopher Mele as Jerry

Brianna Burke as Brenda

Ed Quinn as

Norman Johnson Jr. as

Gabrielle Anwar as

Heidi Johanningmeier as

Ming Wang as Windy City Bar Patron (uncredited)

Dylan Doornbos Hayes as Sweater Boy

Jamison Belushi as Promise Ring Girl

Ryan Edward Hill as Tyler