Matt Czuchry Dr. Conrad Hawkins Actor Bruce Greenwood Dr. Randolph Bell Actor Emily VanCamp Nicolette Nevin Actor Manish Dayal Dr. Devon Pravesh Actor Shaunette Renée Wilson Dr. Mina Okafor Actor Malcolm-Jamal Warner Dr. AJ Austin Actor Jane Leeves Dr. Kit Voss Actor Morris Chestnut Dr. Barrett Cain Actor Michael Hogan Dr. Albert Nolan Guest Star Tasso Feldman Irving Feldman Guest Star Samantha Boscarino Bella Kroik Guest Star Cliff Weissman Boone Guest Star Zach Appelman Hades, Doug Atwater Guest Star Gill Gayle Electric Ed Guest Star Jennifer Gatti Nurse Nancy 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