Television May 19, 2015 LL Cool J Teases 'NCIS: Los Angeles' Season 7 “NCIS: Los Angeles” Season 6 just came to a close on Monday night, but we've already got the scoop on what to expect when the show returns in the fall. “Extra” caught up with LL Cool J, Chris O'Donnell and the rest of the cast at the CBS Summer Soiree in L.A., where we found out all about Season 7. Watch! #LlCoolJ #Television #TrendingStories More Watch LL Cool J Do a Rap Off the Top of His Head! 'Extra' Hangs with LL Cool J and Chris O'Donnell on the Set of 'NCIS: LA'