NCIS season 9

The ninth season of NCIS an American police procedural drama originally aired on CBS from September 20, 2011, through May 15, 2012.

Main

 * Mark Harmon as Leroy Jethro Gibbs, NCIS Supervisory Special Agent (SSA) of the Major Case Response Team (MCRT) assigned to Washington's Navy Yard
 * Michael Weatherly as Anthony DiNozzo, NCIS Senior Special Agent, second in command of MCRT
 * Cote de Pablo as Ziva David, NCIS Junior Special Agent
 * Pauley Perrette as Abby Sciuto, Forensic Specialist for NCIS
 * Sean Murray as Timothy McGee, NCIS Special Agent
 * Rocky Carroll as Leon Vance, NCIS Director
 * David McCallum as Dr. Donald "Ducky" Mallard, Chief Medical Examiner for NCIS

Also starring

 * Brian Dietzen as Jimmy Palmer, Assistant Medical Examiner for NCIS

Recurring

 * Philip Casnoff as Sean Latham, NCIS target
 * Wendy Makkena as Dr. Rachel Cranston, a psychiatrist and Caitlin Todd's sister
 * Sarah Jane Morris as E.J. Barrett, NCIS Senior Special Agent
 * Matt Willig as Simon Cade, NCIS Special Agent
 * Matt Craven as Clayton Jarvis, Secretary of the Navy
 * Scott Wolf as Casey Stratton, NCIS target
 * Jack Conley as Danny Sportelli, Metro P.D. Detective
 * Diane Neal as Abigail Borin, CGIS Special Agent in Charge
 * Daniel Louis Rivas as Kyle Davis, Abby's brother
 * Joe Spano as Tobias Fornell, FBI Senior Special Agent
 * Melinda McGraw as Diane Sterling, Gibbs' and Fornell's ex-wife
 * John Finn as Gen. Charles T. Ellison, retired Commandant of the Marine Corps
 * Meredith Eaton as Carol Wilson, immunologist and a friend of Abby Sciuto
 * Matt L. Jones as Ned Dorneget, NCIS Probationary Special Agent
 * Robert Wagner as Anthony DiNozzo, Sr., Tony's father
 * Enrique Murciano as Ray Cruz, rogue CIA Agent
 * Michelle Pierce as Breena Slater, Jimmy Palmer's fiancée
 * Larry Miller as Ed Slater, Breena's father and Palmer's soon-to-be father-in-law
 * Darby Stanchfield as Shannon Gibbs, Gibbs' deceased wife
 * Sam Schuder as Kelly Gibbs, Gibbs' deceased daughter
 * Michael O'Neill as Riley McCallister, retired Senior Special Agent for NCIS
 * Ralph Waite as Jackson Gibbs, Gibbs' father
 * Jamie Lee Curtis as Dr. Samantha Ryan, head of DoD PsyOps Division
 * Tamer Hassan as Agah Bayar, NCIS target
 * Paula Newsome as Jackie Vance, Leon Vance's wife
 * Akinsola Aribo as Jared Vance, Leon Vance's son
 * Kiara Muhammad as Kayla Vance, Leon Vance's daughter
 * Richard Schiff as Harper Dearing, NCIS target
 * Joel Gretsch as Stan Burley, NCIS Special Agent Afloat on the USS Benjamin Franklin and former member of Gibbs' team

Guests

 * Lily Tomlin as Penelope Langston, McGee's grandmother
 * Sasha Alexander as Caitlin Todd, deceased NCIS Special Agent who was killed by Ari Haswari
 * Tim Kelleher as Chris Pacci, deceased NCIS Special Agent
 * Rudolf Martin as Ari Haswari, deceased rogue Mossad Agent who killed Caitlin Todd
 * Muse Watson as Mike Franks, deceased retired Senior Special Agent for NCIS and Gibbs' former boss
 * Lauren Holly as Jenny Shepard, deceased NCIS Director
 * Michael Kelly as Jim Porter, NCIS Special Agent, second in command in San Diego
 * Cheryl Ladd as Dr. Mary Courtney

Development
NCIS was renewed for a ninth season on February 2, 2011.

Reception
NCIS ranked #3 with a total of 19.49 million viewers for the 2011–12 U.S. television season.