However, unlike how most fans assumed when the series was first announced, SeanHarmon, the son of Mark Harmon, will not be playing the lead role in this series. Instead, Austin Stowell ...
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 executive ...