Guest Stars April Parker-Jones as Darcy Hawkins Clare Carey as Mary Bailey Candace Bailey as Skylar Stevens Darby Stanchfield as April Green Sterling Ardrey as Samuel Hawkins Jazz Raycole as Allison Hawkins Siena Goines as Sarah Mason Christopher Wiehl as Roger Hammond Shiloh Fernandez as Sean Henthrone Erin Daniels as Maggie James MacDonald as Gunnery Sgt. Hill Tim Barraco as Private Wymore Jason Collins as Ridley Cooper