DUCKY GOES UNDERCOVER TO STOP THE ILLEGAL SALE OF THE NAVY'S TOP SECRET WEAPONS SYSTEM, ON "NCIS," TUESDAY, FEB. 6, 8:00-9:00 PM, ET/PT

Emmy Award Winner Armand Assante ("Gotti") Guest Stars

"Blowback" -- Ducky comes out of the autopsy room and goes undercover to stop the illegal sale of the Navy's top secret weapons system, on NCIS, Tuesday, Feb. 6 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Tom Wright directed the episode from a script by TBD.

Emmy Award Winner Armand Assante ("Gotti") guest stars as an international arms dealer La Grenouille.

After capturing one international arms dealer, the NCIS team discovers that the Navy's highly classified weapons system is about to be sold to another high priority arms dealer known as "La Grenouille" (Assante). Using Ducky as a decoy, the Gibbs and the team set up a meeting with the elusive criminal. But just as NCIS is about to make their move, they discover that another government agency has alternate plans for Le Grenouille. Meanwhile, Gibbs' curiosity is peaked when Jenny appears to have a personal vendetta against their wanted man.

SERIES REGULARS:

NCIS Special Agent Leroy Jethro Gibbs: Mark Harmon
NCIS Special Agent Anthony DiNozzo: Michael Weatherly
Dr. Donald "Ducky" Mallard: David McCallum
Abby Sciuto: Pauley Perrette
NCIS Special Agent Timothy McGee: Sean Murray
Ziva David, Mossad Liaison: Cote de Pablo
NCIS Director Jenny Shepard: Lauren Holly

RECURRING CAST:

Cynthia Sumner: Stephanie Mello

GUEST CAST:

La Grenouille: Armand Assante
Trent Kort: David Dayan Fisher
Martin Quinn: Corey Stoll
Eli Lissack (aka Goliath): Assaf Cohen
Nick Hurley: Jim Parrack
Charles Harrow: Fred Tate
Max Phillips: David Batiste
Regine Smidt: Sandra Hess

RATING: To Be Announced