Ever wondered what Mark Harmon was doing before he became Leroy Jethro Gibbs on NCIS? Or that Michael Weatherly once aspired to be a baseball player?This video delves into the surprising pasts and offscreen lives of your favorite NCIS stars, including Pauley Perrette’s time in a grunge band and David McCallum’s heartthrob status. Let’s watch the video to uncover these intriguing details…