Guest Stars Brian Dietzen as Assistant Medical Examiner Dr. Jimmy Palmer Susanna Thompson as Army Lt. Col. Hollis Mann Corin Nemec as Len Grady Erinn Bartlett as Madeline Torrance Chris Tardio as Former Marine PFC Kenneth Dixon Philip Anthony-Rodriguez as Former Marine LCPL Lloyd Jackson Brian Markinson as Marine EOD Sgt. Dan Trask Alexandra Lydon as Natalie Dalton Brian Cousins as Jacob Torrance