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 Malcolm-Jamal Warner Dr. AJ Austin Guest Star Tasso Feldman Dr. Irving Feldman Guest Star Warren Christie Dr. Jude Silva Guest Star Steven Reddington Dr. Bradley Jenkins Guest Star Michael Hogan Dr. Albert Nolan Guest Star Hannah Culwell Nurse Alice Kirkton Guest Star Roger Floyd Dr. Anthony Ewen Guest Star Stephen Ruffin Secretary Hal Woods Guest Star Bill Kelly Charles Jenkins Guest Star Tequila Whitfield Nurse Cheryl Sullivan Guest Star Lenny Paul Jacobson Steve Berman Guest Star Rachel Harker Joanne Jenkins 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