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 Ray Wise Guest Star Derek Webster Guest Star Chet Grissom Guest Star Sandra Purpuro Guest Star Michael Nouri Guest Star Christopher Murphey Executive Producer Matthew Gross Executive Producer Sunil Nayar Executive Producer Alexi Hawley Writer Christine Moore Director