Matt Czuchry Dr. Conrad Hawkins Actor Emily VanCamp Nicolette Nevin Actor Manish Dayal Dr. Devon Pravesh Actor Shaunette Renée Wilson Dr. Mina Okafor Actor Bruce Greenwood Dr. Randolph Bell Actor Moran Atias Renata Morali Actor Merrin Dungey Claire Thorpe Actor Melina Kanakaredes Dr. Lane Hunter Actor Joanne Kelly Catherine Loy Guest Star Tasso Feldman Dr. Irving Feldman Guest Star Tasie Lawrence Priya Nair Guest Star Warren Christie Dr. Jude Silva Guest Star Jo Perkins Edna Hobart Guest Star Mike Forbs Transpo Worker Harold Guest Star Jessica Miesel Nurse Jessica Moore Guest Star Daniel Hill Chad Anderson Guest Star Andy Stahl Buck Redger Guest Star Violett Beane Lily Kendall Guest Star Lana Young Dr. Mary Osder Guest Star Jonathon Pawlowski Paramedic Joe Daniels Guest Star Seth Dousman Paramedic Sam Jones Guest Star Bethany Geaber Nurse Isabel Sharp Guest Star Tara Ochs Nurse Sharon Hill Guest Star Steven Reddington Dr. Bradley Jenkins Guest Star Euseph Messiah Nurse No. 2 Guest Star Antoine Fuqua Executive Producer Amy Holden Jones Executive Producer David Boorstein Executive Producer Oliver Obst Executive Producer Phillip Noyce Executive Producer Todd Harthan Executive Producer Rob Corn Executive Producer