Guest Stars Steven McCarthy as Nathan Lutes Kyle Harrison Breitkopf as Sebastian Lutes Parker Lauzon as Kevin Murphy Josette Jorge as Leah Miranda Jenny Young as Shirley Janacek Audrina Durante as Hannah Eloise Callaghan Isla Durante as Hannah Eloise Callaghan Chloe Avakian as Lynn Callaghan Neil Whitely as Dr. Snyder Michael Riley as Tom O'Reilly Lorna Rose Harris as Beth Callaghan Mairi Babb as Rosalind Callaghan