NCIS: Los Angeles - Season 10 Episode 23 The Guardian
Callen and Sam travel to the USS Allegiance in the Persian Gulf to work with Navy Captain Harmon "Harm" Rabb, Jr. (David James Elliott) when the NCIS team uncovers ISIS sympathizers who are targeting military locations.
- Genre: Action & Adventure, Drama, Crime, Mystery
- Studio: CBS
- Keyword: undercover, navy, los angeles, california, spin off, u.s. marine, military, crime investigation
- Cast: Chris O'Donnell, Daniela Ruah, Eric Christian Olsen, Medalion Rahimi, Caleb Castille, Gerald McRaney