A successful "JAG" spin-off about criminal cases involving Navy and Marine personnel, handled by the Naval Criminal Investigative Service. For the second season, the series title was shortened from "Navy NCIS" to "NCIS."
Agent T.C. Fornell, Senior FBI Agent T.C. Fornell, T.C. Fornell
Clayton Jarvis, SECNAV, SECNAV Clayton Jarvis, Secretary of the Navy, Secretary of the Navy Clayton Jarvis
Sarah Porter, Secretary of the Navy Sarah Porter
Maragaret Allison Hart, Margaret Allison Hart
Ned Dorneget, Probationary Agent Ned Dorneget
Cdr. Charkes T. Ellison, Charles T. Ellison