In Hollywood, only a select few stars achieve lasting longevity. LL Cool J stands out among them, maintaining popularity for years. Beyond his beloved music career, he has also carved out a successful path as an actor, notably through his roles in the enduring “NCIS” franchise. Recently seen in the canceled “NCIS: Hawai’i” spinoff, LL Cool J reflects on the secrets to his enduring success and continued relevance in the entertainment industry.