The following contains major spoilers from the closing scene of the NCIS: Los Angeles series finale, which aired May 21, 2023, on CBS. When all was said and done, NCIS: Los Angeles was very much a family affair for series co-lead Chris O’Donnell. As the high-octane CBS procedural’s 14th and final season drew to a close, Callen and Sam (played by O’Donnell and LL Cool J) were led to Morocco, where they discovered that former colleague Nell (returning series vet Renee Felice Smith) has been trying