Dana Delany Dr. Megan Hunt Actor Jeri Ryan Dr. Kate Murphey Actor Mark Valley Detective Tommy Sullivan Actor Windell Middlebrooks Dr. Curtis Brumfield Actor Geoffrey Arend Dr. Ethan Gross Actor Elyes Gabel Detective Adam Lucas Actor Mary Mouser Lacey Fleming Actor Edward Kerr Guest Star Lorraine Toussaint Guest Star Kiko Ellsworth Guest Star Lily Knight Guest Star Adilah Barnes Guest Star Kofi Natei Guest Star Richard Burgi Guest Star Joanna Cassidy Guest Star Christopher Murphey Executive Producer Matthew Gross Executive Producer Sunil Nayar Executive Producer Matthew L. Lewis Writer Alex Zakrzewski Director