Only a select number of stars are available to maintain true longevity within the Hollywood landscape. Some have their “moments” of fame, while others stick around and remain relevant for decades. LL Cool J is such a star who’s been able to remain popular for years. And, in that time, he’s not only delivered widely loved music but has solidified himself as a solid actor, especially through his work on the "NCIS" franchise. He most recently appeared on the Hawai’i spinoff, which was canceled just a few weeks ago. Now, the actor is opening up about how he’s stayed successful and sought-after for the long haul.