Patrick Labyorteaux
Patrick Labyorteaux, who played Captain Bud on JAG, went on to do more acting. He even did some voice acting for cartoons, like on Spider-Man: The Animated Series. Along with his wife, Tina Albanese, Patrick created and produced See Dad, a show for Nick at Nite. Fans of Captain Bud were lucky enough to see him appear twice in NCIS.
John M. Jackson
John M. Jackson played the beloved and loyal Rear Admiral A.J., who we got to see on NCIS: Los Angeles, the spin-off show. Since then, Jackson has also played in the movie, Gifted alongside Jenny Slate and Chris Evans. Go check it out!