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