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 Tasso Feldman Dr. Irving Feldman Guest Star Warren Christie Dr. Jude Silva Guest Star Steven Reddington Dr. Bradley Jenkins Guest Star Matt Shively T.J. Chioffi Guest Star Vince Foster Dr. Pul Chu Guest Star Jessica Miesel Nurse Jessica Moore Guest Star Brooke Butler Julie Guilford Guest Star Michael O'Neill Joshua Williams Guest Star Jolene Purdy Olivia Tan Guest Star Catherine Dyer Nurse Alexis Stevens Guest Star April Parker Jones Dr. Jen Kars Guest Star Barry Alan Levine Russell Waters Guest Star Patricia French Nurse Lorraine Gleason Guest Star Gerard Catus Austin Guzman Guest Star Tara Jones Angelica Barns Guest Star Ariel Jones Luca Barns Guest Star Bethany Geaber Nurse Isabel Sharp Guest Star Jade Fernandez Ashley Garrity Guest Star Denitra Isler Nurse Ellen Hundley Guest Star Charles Green Mr. Leonard Langdon Guest Star Al Mitchell Wendal Mckee 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