THE DUEL CONTINUES BETWEEN GIBBS AND HIS NEMESIS, WITH FATAL RESULTS FOR ONE NCIS TEAM MEMBER, ON THE SECOND SEASON FINALE OF "NCIS," TUESDAY, MAY 24

Rudolf Martin ("24") Reprises His Role As Ari

"Twilight" -- NCIS will pay the ultimate price when a hunt for a terrorist assassination team turns deadly for one NCIS team member, on the second season finale of NCIS, Tuesday, May 24 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Tom Wright directed the episode from a script by John C. Kelley.

Rudolf Martin ("24") reprises his role as Ari, the terrorist that got away from Gibbs.

Gibbs' worst fears are confirmed when he learns that his nemesis, Arab/Israeli double agent Ari (Martin), is back in Washington D.C. on assignment to kill him. Ultimately, the NCIS team discovers that Ari has a bigger plot� and they end up paying the ultimate price trying to thwart it -- the death of a team member.

NCIS Special Agent Leroy Jethro Gibbs: Mark Harmon
NCIS Special Agent Caitlin Todd: Sasha Alexander
NCIS Special Agent Anthony DiNozzo: Michael Weatherly
Dr. Donald "Ducky" Mallard: David McCallum
Abby Sciuto: Pauley Perrette
NCIS Agent Timothy McGee: Sean Murray
Jimmy Palmer: Brian Dietzen
Senior FBI Agent T.C. Fornell: Joe Spano
NCIS Director Tom Morrow: Alan Dale
Ari: Rudolf Martin
Navy Lt. Dean: Westfall Shane Conrad
Navy Lt. Curtis Janssen: Ryan Culver
Virginia State Police Officer: Sasha Mazime
Rex Eberlee: Ben Parrillo
NSA Officer: Frank Cranston

RATING: To Be Announced