Sara Bareilles (Jenna), Benny Elledge (Cal), Lenne Klingaman (Dawn), Charity Angel Dawson (Becky), Larry Marshall (Joe), Ben Thompson (Earl), Molly Hager (Mother), Dan Tracy (Father), Anastacia McCleskey (Nurse Norma), Gavin Creel (Dr. Pomatter), Christopher Fitzgerald (Ogie), Stephanie Torns (Francine), Riley Summer Perler (Lulu)