Matt Czuchry Dr. Conrad Hawkins Actor Bruce Greenwood Dr. Randolph Bell Actor Manish Dayal Dr. Devon Pravesh Actor Malcolm-Jamal Warner Dr. AJ Austin Actor Jane Leeves Dr. Kit Voss Actor Jessica Lucas Billie Sutton Actor Anuja Joshi Dr. Leela Devi Actor Ana Mackenzie Marion Clark Guest Star Veronica Cartwright Celeste Crisforth Guest Star Richard Kline George Criforth Guest Star Maya Stojan Sofia Desoto Guest Star Remington Blaire Evans GiGi Hawkins Guest Star Julie Slack Nurse Amber Guest Star Stephen Wallen Winston Robards 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