GIBBS AND THE TEAM INVESTIGATE WHEN A WEEKEND CALL TO AN NCIS TIP LINE RESULTS IN THE DEATH OF TWO AGENTS, ON A REBROADCAST OF "NCIS," AT A SPECIAL TIME, TUESDAY, AUG. 7, 10:00-11:00 PM, ET/PT

"Grace Period" - The NCIS team discovers a tip about terrorist activity was a trap that resulted in the death of two agents. Blaming herself, Agent Cassidy (guest star Jessica Steen, "Stargate SG-1") works with the NCIS team to track down the people responsible, on a rebroadcast of NCIS, at a special time, Tuesday, Aug. 7 (10:00-11:00 PM, ET/PT) on the CBS Television Network. (Originally broadcast 4/3/07)

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:

Jeanne Benoit: Scottie Thompson
Army Lt. Col. Hollis Mann: Susanna Thompson
NCIS Agent Paula Cassidy: Jessica Steen

GUEST CAST:

NCIS Agent Rick Hall: Sasha Roiz
NCIS Agent Jim Nelson: Jacory Gums
Abdul Wahid: Haaz Sleiman
Jamal Malik: Dominic Rains
Salman Umar: Ankur Bhatt
Azid Abu Selom: Shaun Duke

Directed by: James Whitmore, Jr.

Written by: John C. Kelley

RATING: TV-14-V