Guest Stars Malcolm-Jamal Warner as Dr. AJ Austin Tasso Feldman as Dr. Irving Feldman Glenn Morshower as Marshall Winthrop Tasie Lawrence as Priya Nair Patrick Walker as Micah Stevens Gregory Alan Williams as Dr. John Peterson Jolene Purdy as Olivia Tan Dot-Marie Jones as Meg Mullins Rebecca Tilney as Dr. Stacy Leonard Co Starring Jessica Miesel as Nurse Jessica Moore Vince Foster as Dr. Paul Chu Ethan Corn as Paramedic John Akerman Al Mitchell as Wendal McKee Chris Mayers as Dr. Steven Butler Mike Forbs as Transpo Worker Harold Mabbot Atkins Estimond as Dr. Casey Mitchell Britt Rentschler as Dr. Sarah Cooper Rishik Patel as Dr. Jaime Frederick Joe Knezevich as Donald Cyrus Mark Cabus as Cameron Pressley Mara Hall as Jenny West Alan Heckner as Elias Everett Greg Clarkson as Reporter One Mario Davila as Dr. Luke Romano Jess Durham as FBI Two Karen Reynolds as Mrs. Florence Abby Mike Whaley as FBI One Geordie White as Dr. Dana Walters Greg Allan Martin as Dr. Adrian Hill
