A MAN OVERBOARD INVESTIGATION FINDS GIBBS TRAPPED ON A SHIP THAT HAS BEEN COMMANDEERED BY PIRATES, ON "NCIS," TUESDAY, OCT. 21

Diane Neal Guest Stars as CGIS Agent Abigail Borin and Jim Beaver Guest Stars as Captain Tom O'Rourke

"The San Dominick" - During a joint Coast Guard and NCIS training exercise at sea, Gibbs and CGIS Agent Borin spot a deceased man overboard, who is discovered to be a missing crew member from a ship 60 nautical miles away. Upon boarding the ship for questioning, Gibbs finds himself on a vessel that has been commandeered by pirates, on NCIS, Tuesday, Oct. 21 (8:00-9:00, ET/PT), on the CBS Television Network. Diane Neal guest stars as CGIS Agent Abigail Borin and Jim Beaver guest stars as Captain Tom O'Rourke.

REGULAR CAST:

Mark Harmon (NCIS Special Agent Leroy Jethro Gibbs)
Michael Weatherly (NCIS Special Agent Anthony "Tony" DiNozzo)
David McCallum (Dr. Donald "Ducky" Mallard)
Pauley Perrette (Abby Sciuto)
Sean Murray (NCIS Special Agent Timothy McGee)
Rocky Carroll (NCIS Director Leon Vance)
Brian Dietzen (Jimmy Palmer)
Emily Wickersham (Probationary NCIS Agent Eleanor "Ellie" Bishop)

GUEST CAST:

Diane Neal (CGIS Agent Abigail Borin)
Jim Beaver (Captain Tom O'Rourke )
Chris Marrs (First Mate James Meyer)
Lobo Sebastian (Renaldo Aranda/Engineer)
Stephanie Charles (Coast Guard Petty Officer Patricia Felton)
Pressly Coker (Navy Chief Petty Officer Leonard Jones)
Erick Lopez (Jaime Ribeiro)
Marcos Cruz (Young Hijacker)

WRITTEN BY: Christopher Silber

DIRECTED BY: Arvin Brown