THE MURDER OF A MARINE SENDS GIBBS AND MCGEE TO LOS ANGELES FOR A JOINT INVESTIGATION WITH THE NCIS OFFICE OF SPECIAL PROJECTS (OSP), IN PART ONE OF A SPECIAL TWO-PART "NCIS," TUESDAY, APRIL 28

Chris O'Donnell ("Grey's Anatomy") Guest Stars As Special Agent G. Callen

Grammy� Award Winner LL Cool J Guest Stars As Special Agent Sam Hanna

Louise Lombard ("CSI") Guest Stars As Special Agent Lara Macy

Peter Cambor ("Notes From The Underbelly") Guest Stars As Operational Psychologist Nate Getz

Daniela Ruah Guest Stars As Special Agent Kensi Blye

"Legend (Part 1)" - The body of a Marine leads Gibbs and McGee to the NCIS OSP division in Los Angeles, where a murder investigation quickly climbs to a matter of national security in which the two offices must work together to resolve. Meanwhile, Tony begins to snoop into Ziva's personal life, on NCIS, Tuesday, April 28 (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
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 Leon Vance: Rocky Carroll

GUEST CAST:

Special Agent G. Callen: Chris O'Donnell
Special Agent Sam Hanna: LL Cool J
Special Agent Lara Macy: Louise Lombard
Operational Psychologist Nate Getz: Peter Cambor
Special Agent Kensi Blye: Daniela Ruah
Michael Rivkin: Merik Tadros
Tech Operator Eric Beal: Barrett Foa
Mattie Ray: Brian Avers
Max Talia: Michael Peter Bolus
Benji Kass: Brian Burnett
Stephano Kass: Jhon Doria
Young Russian Woman: Liisa Evastina

DIRECTED BY: Tony Wharmby

WRITTEN BY: Shane Brennan

RATING: To Be Announced