Main Characters Captain Harmon "Harm" Rabb Jr., USN 227 main appearances Captain Bud J. Roberts Jr., USN 96 main appearances Lieutenant Colonel Sarah "Mac" MacKenzie, USMC 99 main appearances Rear Admiral A.J. Chegwidden, USN 86 main appearances Lieutenant Harriet Sims-Roberts, USN 50 main appearances Yeoman First Class (YN1) Jason Tiner, USN 49 main appearances Lieutenant Commander Mic Brumby, CSC, RAN 40 main appearances Gunnery Sergeant Victor Galindez, USMC 37 main appearances Lieutenant Loren Singer, USN 19 main appearances Special Agent Clayton Webb 15 main appearances Commander Peter Ulysses "Sturgis" Turner, USN 20 main appearances Lieutenant, Junior Grade Megan "Meg" Austin, USN 20 main appearances Legalman First Class (LN1) Jennifer "Jen" Coates, USN 10 main appearances Midshipman Third Class Michael "Mikey" Roberts, USNA 3 main appearances Rear Admiral Thomas "CAG" Boone, USN 3 main appearances Major General Gordon "Biff" Cresswell, USMC 4 main appearances Commander Caitlin "Kate" Pike, USN 2 main appearances Lieutenant Gregory Vukovic, USN 2 main appearances
Recurring Guest Characters Controller 1 guest appearances LT Andrew "X-Man" Buxton 1 guest appearances Admiral Arkady Yakushkin 1 guest appearances George Tennyson 1 guest appearances Corporal Winrow 1 guest appearances Corporal Jennings 1 guest appearances LT Frank Grady 1 guest appearances CAPT Weston 1 guest appearances Lear Jet Pilot 1 guest appearances Caleb Farmer 1 guest appearances Messers 1 guest appearances Alex Kryler 1 guest appearances Agent Matlovich 1 guest appearances Chief Judge Balter 1 guest appearances Judge Simeon 1 guest appearances Judge Lurie 1 guest appearances tbd 1 guest appearances President of Court Martial 1 guest appearances MSgt. Lochsig 1 guest appearances General Perry 1 guest appearances ⇤ « 8 9 10 11 12 13 14 15 16 17 » ⇥