NCIS, WITH THE HELP OF A KEY BLIND WITNESS, SEARCHES FOR A PETTY OFFICER SUSPECTED OF ASSAULT WHO ESCAPES WHEN THE SHERIFF TRANSPORTING HIM CRASHES INTO A LAKE, ON "NCIS," TUESDAY, APRIL 17

This Marks the Milestone 350th Episode of the Series

"Sight Unseen" - NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth (Marilee Talkington)
, a key blind witness who heard vital evidence needed to solve the case, on the milestone 350th episode of NCIS, Tuesday, April 17 (8:00-9:00 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

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

GUEST CAST:

Marilee Talkington (Annie Barth)

WRITTEN BY: Brendan Fehily

DIRECTED BY: Bethany Rooney