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 ...
Mark Harmon played Gibbs on NCIS; Austin Stowell now plays the younger Gibbs on NCIS: Origins. SeanHarmon (Mark’s son) used to play Gibbs in NCIS flashbacks, but he now serves as an ...