Guest Stars Jonathan Silverman as Dr. John Lieberman Eyal Podell as Mark Ridgeway Patrick Quinlan as paramedic #3 Ewan Chung as Dr. Wong Tara Summers as Allison McDaniels Mason Cook as Quinn McDaniels Cara Pifko as Beth Hostetler Kevin Shinick as Levi Hostetler Sonya Eddy as Joanne Whitman Matt Crabtree as Gordon Willis Betsy Baker as Mrs. Sutcliff Phong Le as Hyun Kim Robb Reesman as Surgeon Leigh Durrell Rachael Drummond as Mrs. Wilson Anthony Giangrande as Dr. Thomas Ottobrini Nija Okoro as Aisha Ali Iyin Landre as Wei Yoo Luke Cosette as Ty Sharon Muthu as Sharika Kumar Lou Volpe as Mr. Sutcliff Laura Richardson as Nurse Veronica Woolward Blake Robbins as Dr. David Martin Jonny Lee as James