Katharine McPhee (Jenna), Marisha Wallace (Becky), Laura Baldwin (Dawn), David Hunter (Dr. Pomatter), Jack McBrayer (Ogie), Stephen Leask (Cal), Shaun Prendergast (Joe), Peter Hannah (Earl), Kelly Agbowu (Nurse Norma), Fifi Christophers (Lulu), Olivia Moore (Francine Pomatter), Charlotte Riby (Mother), Chris McGuigan (Father), Leanne Pinder, Mark Willshire, Michael Hamway, Nathaniel Morrison, Nicole Raquel Dennis, Piers Bate, Sarah O'Connor