Sara Bareilles (Jenna), Marisha Wallace (Becky), Evelyn Hoskins (Dawn), Gavin Creel (Dr. Pomatter), Joel Montague (Ogie), Richard Taylor Woods (Cal), Andrew Boyer (Joe), Tamlyn Henderson (Earl), Rosemary Nkrumah (Nurse Norma), Lucia De Wan (Lulu), Olivia Moore (Francine Pomatter), Laura Selwood (Mother), Ben Morris (Father)