THE TEAM BEGINS TO WORRY ABOUT ABBY WHEN HER CONNECTION TO A VICTIM RUNS TOO DEEP, ON "NCIS," TUESDAY, OCT. 26

Meredith Monroe ("Criminal Minds, "Dawson's Creek") Guest Stars as April Ferris, An Engineer At Gen-1 Biotech Inc.

Brennan Elliott ("Strong Medicine") Guest Stars as Martin Stillwell, The CEO Of Gen-1 Biotech Inc.

"Cracked" - Delving into the mind of a brilliant Naval Scientist, Abby becomes fixated on solving her murder, while DiNozzo's latest fling leads to an interesting Halloween, on NCIS, Tuesday, Oct. 26 (8:00-9:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS

NCIS Special Agent Leroy Jethro Gibbs.................. Mark Harmon
NCIS Special Agent Anthony DiNozzo............. Michael Weatherly
Probationary Special Agent Ziva David..................... Cote de Pablo
Dr. Donald "Ducky" Mallard................................ David McCallum
Abby Sciuto............................. Pauley Perrette
NCIS Special Agent Timothy McGee......................... Sean Murray
NCIS Director Leon Vance....... Rocky Carroll

RECURRING CAST

Jimmy Palmer.............................. Brian Dietzen

GUEST CAST

April Ferris........................... Meredith Monroe
Martin Stillwell........................... Brennan Elliott
Lorrain Thorson................ Robin Pearson Rose
Rupert Kritzer......................... Raphael Sbarge
Professor Daniel Redner........ Steven Anderson
Navy Lieutenant Clea Thorson.......................... Erica Piccininni

DIRECTED BY: Tony Wharmby

WRITTEN BY: Nicole Mirante-Matthews

RATING: To Be Announced