Sara Bareilles (Jenna), NaTasha Yvette Williams (Becky), Caitlin Houlahan (Dawn), Jason Mraz (Dr. Pomatter), Christopher Fitzgerald (Ogie), Benny Elledge (Cal), Dakin Matthews (Joe), Joe Tippett (Earl), Anastacia McCleskey (Nurse Norma), Katie Grober (Lulu), Dayna Jarae Dantzler (s/w Francine Pomatter)