Guest Stars Colin Hanks as DOD IG Investigator Richard Parsons Fred Koehler as Simon Gravy Neil Brown Jr. as Martin Archer Jessie Graff as Female Soldier Sean Marquette as Petty Officer Third Class Evan Lowry Catherine Kresge as Marine Lance Corporal Stella Brooks Emily Dunham as Female Soldier Meeghan Holaway as Dr. Hale Co Starring Alain Uy as Ray Kessel