Episode Summaries
Lieutenant/Lt. Commander/Commander Harmon "Harm" Rabb, Jr.
Major/Lt. Colonel Sarah "Mac" Mackenzie
Lieutenant(J.G.)/Lieutenant Bud Roberts
Ensign/Lieutenant(J.G.)
/Lieutenant Harriet Sims-Roberts
Admiral A.J. Chegwidden
Commander Sturgis Turner
Lieutenant(J.G.) Meg Austin
Lieutenant Loren Singer
Lt. Commander Mic Brumby
CIA Assistant Director Clayton "Clay" Webb
Other Recurring Characters