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 Glenn Morshower Marshall Winthrop Actor Julianna Guill Jessie Nevin Guest Star Tasso Feldman Irving Feldman Guest Star Radek Lord Grayson Betournay Guest Star Miles Gaston Villanueva Alec Shaw Guest Star Stephanie Hunt Shira Smook Guest Star Michael Hogan Albert Nolan Guest Star Jessica Miesel Jessica Moore Guest Star Sam Huntington Taylor Emigh Guest Star John Noble Elliot Festervan and Charmin Lee:Cardiologist Guest Star Alberto Calderone Diego Herrera 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