Sean is well into other activities besides acting and enjoys a lot of different things. Mark Harmon explained to Variety: "He’s an actor, writer, producer, a surfer, he does a lot of things.
SeanHarmon, on seven episodes of “NCIS.” For the prequel, Sean serves as an executive producer. “He’s an actor, writer, producer a surfer, he does a lot of things. You have to come to ...