Guest Stars Megan Gallagher as Under Secretary of the Navy Jennifer Leo Arlene Santana as Navy Chief of the Boat Constance Shaw James Ferris as Navy Lieutenant Commander Gregory Pullman Ransford Doherty as Navy Seal Petty Officer Second Class Zachary Harper Michele Boyd as Navy Chief Petty Officer Emily Ross Tommy Walker as Navy Petty Officer First Class Justin Hardy Matthew Bellows as Navy Captain Reginald Barkley Tracy Howe as Navy Culinary Specialist Brian Kalr Co Starring Ethan Flower as Fire Chief Alfonso Romero Mark Fite as Walter Miller Josh Trant as Navy Chief of Watch