Zac Efron Jason Miles Teller Daniel Michael B. Jordan Mikey Imogen Poots Ellie Andrews Mackenzie Davis Chelsea Jessica Lucas Vera Walker Addison Timlin Alana Josh Pais Fred Emily Meade Christy Evelina Turen Sophie Alysia Reiner Amanda Silverman Karen Ludwig Mrs. Rose Lola Glaudini Sharon Raul Casso Diego Tina Benko Ellie's Mom Joseph Adams Ellie's Dad John Rothman Chelsea's Dad Barbara Garrick Chelsea's Mom Dan Bittner Preppy Guy Kate Simses Glasses Tom Gormican Waiter Chris Grace Deli Owner Victor Slezak Older Gentleman Tom Riis Farrell Male Executive Julia Morrison Beautiful Girl D.B. Woodside Harold (uncredited) Eugenia Kuzmina Girl at the Bar (uncredited) Alice Litvak Young Girl at the Thanksgiving Party (uncredited)