NCIS Season 4 Episode 14
Blowback
After catching an international arms dealer, the NCIS team learn that the Navy's highly classified weapons system will be sold to arms dealer La Grenouille. To stop the transaction, the team send Ducky undercover.
Guest Stars
Armand Assante
René 'La Grenouille'
Jim Parrack
Nick Hurley
Assaf Cohen
Eli 'Goliath' Lisack
Stephanie Mello
Cynthia Sumner
Corey Stoll
Martin Quinn