Special Guest Stars Steven Weber as Dr. Dean Archer Guest Stars Marc Grapey as Peter Kalmick Asjha Cooper as Vanessa Taylor Sarah Rafferty as Dr. Pamela Blake Nora Dunn as Dr. Lonnie Richardson Riley Voelkel as Milena Jovanovic Johnny Wu as Dr. Randall Shentu Lee Jones as Dr. Justin Morris Abigail Savage as Abby Carpenter Clare Cooney as Gretchen Cameron Co Starring Lorena Diaz as Nurse Doris Jeremy Shouldis as Dr. Marty Peterson Marie Tredway as Nurse Trinidad "Trini" Campos Lynnette Li as Nurse Nancy Michael Vaughn Shaw as X-Ray Tech Mike Sarah Brooks as Paramedic Juliette Adam Poss as Dr. Dylan Driskell Leah Casey as Paramedic Lacey Mehmet Can Aksoy as Goran Princess Elmore as Lt. Regina Jeffords Rebecca Jordan as Tanya Stuart Adam Joel as Adam Cunningham Ann Hagemann as Janice Cunningham Ryan Hall as Hospital Cop Eddie Breldin Ryan Satterfeal as Andre Stuart