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 Captain Bud J. Roberts Jr., USN 4 guest appearances Rear Admiral A.J. Chegwidden, USN 3 guest appearances Lieutenant Harriet Sims-Roberts, USN 1 guest appearances Yeoman First Class (YN1) Jason Tiner, USN 1 guest appearances Gunnery Sergeant Victor Galindez, USMC 1 guest appearances Lieutenant Loren Singer, USN 4 guest appearances Special Agent Clayton Webb 8 guest appearances Legalman First Class (LN1) Jennifer "Jen" Coates, USN 8 guest appearances SecNav Alexander Nelson 14 guest appearances Rene Peterson 13 guest appearances Rear Admiral Stiles Morris 9 guest appearances Chloe Madison 8 guest appearances LCDR Alan Mattoni 7 guest appearances Midshipman Third Class Michael "Mikey" Roberts, USNA 4 guest appearances Dr. Sidney Walden 7 guest appearances Lt. Alfred Aldridge 6 guest appearances CDR Ted Lindsey 6 guest appearances LT Elizabeth "Skates" Hawkes 6 guest appearances Cmdr. Amy Helfman 6 guest appearances Courtroom Guard 6 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥