DOCTOR GRACE CONFALONE RISKS BREAKING PATIENT CONFIDENTIALITY TO CONFIDE IN GIBBS AFTER ONE OF HER PATIENTS FALLS FROM A BUILDING AND BECOMES THE SUBJECT OF AN NCIS INVESTIGATION, ON A REBROADCAST OF "NCIS," TUESDAY, JAN. 31

Editor's note: This episode replaces a previously scheduled episode.

Laura San Giacomo Guest Stars as Doctor Grace Confalone

"Privileged Information" - When the NCIS team investigates a marine sergeant's tragic fall from a building, her doctor, Grace Confalone (Laura San Giacomo)
, confides in Gibbs and suggests he treat it as a murder investigation. Also, Torres searches for a place to live, on a rebroadcast of NCIS, Tuesday, Jan. 31 (9:00-10:00 PM, ET/PT) on the CBS Television Network. (Originally broadcast 10/4/16.)

REGULAR CAST:

Mark Harmon (NCIS Special Agent Leroy Jethro Gibbs)
Pauley Perrette (Forensic Specialist Abby Scuito)
Sean Murray (NCIS Special Agent Timothy McGee)
Wilmer Valderrama (NCIS Special Agent Nicholas "Nick" Torres)
Jennifer Esposito (NCIS Special Agent Alexandra "Alex" Quinn)
Brian Dietzen (Jimmy Palmer)
Emily Wickersham (Probationary Agent Eleanor "Ellie" Bishop)
Duane Henry (MI6 Officer Clayton Reeves)
Rocky Carroll (NCIS Director Leon Vance)
David McCallum (Dr. Donald "Ducky" Mallard)

GUEST CAST:

Joe Spano (Senior FBI Agent T.C. Fornell)
Laura San Giacomo (Doctor Grace Confalone)
Brandon Quinn (Gregg Abell)
Nina Rausch (Devon Hill)
LA Monde Byrd (Marine Captain Rand Kraus)
Matthew Holmes (Griffin Dorn)
John Burke (Doctor Chris Friedman)
Andy Wagner (Metro P.D. Officer Cody)
Marie Oldenbourg Richard Wharton (Marine Sergeant Erin Hill)
(Squeegee Man)

WRITTEN BY: George Schenck and Frank Cardea

DIRECTED BY: Edward Ornelas