Guest Stars Stacey Farber as Dr. Sydney Katz Gregory Calderone as Dr. Billy Scott Christopher Jacot as Jonathan Joy Tanner as Mara Avery Ben Bass as Dougie Reed Sofia Banzhaf as Olivia Benjamin Sutherland as Jesse T.J. McGibbon as Vicky Avery Jonathan Higgins as Mr. Avery Co Starring Trish Fagan as Dr. O'Toole Emily Pope as Nurse Katrina Bernadette Couture as Paramedic Ari Cohen as Dr. Arnie Storms Josette Halpert as Erin Avery Sabryn Rock as Saira Clemmons Marty Moreau as Marvin