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 Henry Ian Cusick Guest Star Matthew John Armstrong Guest Star Betsy Brandt Guest Star Rosa Salazar Guest Star Richard Burgi Guest Star Joanna Cassidy Guest Star Christopher Murphey Executive Producer Matthew Gross Executive Producer Sunil Nayar Executive Producer Corey Miller Writer Alex Zakrzewski Director