After catching an international arms dealer, the NCIS team learns that Navy's highly classified weapons system will be sold to "La Grenouille," an important arms dealer. To stop the transaction, the team will send Ducky undercover. Meanwhile, another government agency appears to be working on the same case, with different plans.
Elenco: David McCallum , Mark Harmon , Sean Murray , Pauley Perrette , Brian Dietzen , Michael Weatherly , Rocky Carroll , Cote de Pablo , Emily Wickersham , Wilmer Valderrama , Maria Bello , Duane Henry , Sasha Alexander , Jennifer Esposito , Tim Kelleher , Diona Reasonover .