Blake Lively as Alexandria 'Lexie' Michaels
Chase Crawford as Corey Michaels
Penn Badgley as Finley 'Finn' Collins
Aaron Taylor Johnson as Jake Collins
Julia Roberts as Lily Michaels
Bradley Cooper as Thomas Michaels
Aiden Lovekamp as Cooper Michaels
Emilie De Ravin as Tiffany Storm
Zoey Deschanel as Becca Samuels
Sebastian Stan as James Hobbs