Dana Delany Dr. Megan Hunt Actor Jeri Ryan Dr. Kate Murphey Actor Mark Valley Detective Tommy Sullivan Actor Geoffrey Arend Dr. Ethan Gross Actor Windell Middlebrooks Dr. Curtis Brumfield Actor Elyes Gabel Detective Adam Lucas Actor Mary Mouser Lacey Fleming Actor Shawn Hatosy Guest Star Annie Wersching Guest Star Michael Silver Guest Star Erin Cahill Guest Star Richard Burgi Guest Star Christopher Murphey Executive Producer, Writer Matthew Gross Executive Producer Sunil Nayar Executive Producer Michael W. Watkins Director