DINOZZO GETS TOO INVOLVED IN THE SEARCH FOR A MURDER VICTIM'S MISSING SISTER, ON "NCIS," TUESDAY, MAY 4

Ashley Scott ("Jericho") Guest Stars as ZNN Reporter Tricia Hutton, the Victim's Missing Sister

Rena Sofer ("24," "General Hospital") Reprises Her Role as Attorney Margaret Allison Hart

"Obsession" - DiNozzo finds himself increasingly captivated by a woman he's never met while investigating the murder of her brother, on NCIS, Tuesday, May 4 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Ashley Scott ("Jericho") guest stars as ZNN reporter Tricia Hutton, the victim's missing sister. Rena Sofer ("24," "General Hospital") reprises her role as attorney Margaret Allison Hart.

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
Probationary Special Agent Ziva David..................... Cote de Pablo
NCIS Director Leon Vance....... Rocky Carroll

RECURRING CAST:

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

GUEST CAST:

Margaret Allison Hart..................... Rena Sofer
Dana Hutton................................. Ashley Scott
Alejandro Rivera...................... Marco Sanchez
Maggie Reed.............................. Kerrie Keane
Navy Captain Austin Sears......... Bobby Hosea
Rex Carhartt........................ Jonathan Kerrigan
Joshua Drewe........................ Bob McCracken
Ambulance Driver........................ Randy Evans

DIRECTED BY: Tony Wharmby

WRITTEN BY: George Schenck and Frank Cardea

RATING: To Be Announced