NCIS INVESTIGATES THE STRANGE CIRCUMSTANCES SURROUNDING THE MURDER OF A NAVY LIEUTENANT WHO DIED OF OVER-HYDRATION, ON "NCIS," TUESDAY, OCT. 25

Cheryl Ladd Guest Stars as Mary Courtney, Ducky's New Love Interest

"Thirst" - An NCIS case changes from accidental death to murder when evidence reveals that a Navy lieutenant died of forced over-hydration. Meanwhile, Gibbs meets Ducky's new love interest, on NCIS, Tuesday, Oct. 25 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Cheryl Ladd guest stars as Mary Courtney, Ducky's new love interest.

SERIES REGULARS

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

GUEST CAST

Brian Dietzen (Jimmy Palmer)
Cheryl Ladd (Mary Courtney)
Eric Allan Kramer (Phillip Ekkerly)
Carrie Wiita (Lana)
Eric Bruskotter (Lester)
Fay Masterson (Angela Simms)
Lenny Jacobson (Security Guard)
Raz Adoti (Mike Sullivan)

WRITTEN BY: Scott Williams

DIRECTED BY: Tom Wright

RATING: To Be Announced