GIBBS SENDS BISHOP AND QUINN TO PHILADELPHIA TO WORK WITH MI6 OFFICER CLAYTON REEVES WHEN THE DISAPPEARANCE OF AN MI6 OFFICER IS LINKED TO A MURDERED PETTY OFFICER, ON "NCIS," TUESDAY OCT. 18

Duane Henry Returns as MI6 Officer Clayton Reeves and Tony Gonzalez, Former NFL Player and Studio Analyst for "The NFL Today" on the Network, Guest Stars as NCIS Special Agent Tony Francis

"Philly" - When a missing MI6 Officer is linked to a murdered petty officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves (Duane Henry)
. Also, Quinn painfully recounts the NCIS case that made her leave field work, on NCIS, Tuesday, Oct. 18 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Tony Gonzalez, former NFL player and studio analyst for "The NFL Today" on the Network, guest stars as NCIS Special Agent Tony Francis.

REGULAR CAST:

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

GUEST CAST:

Tony Gonzalez (NCIS Special Agent Tony Francis)
Henry Wells Nixon (M16 Intel Officer Mason Finley)
Dennis Apergis (Ivan Ahmeti)
Lou DiMaggio (Nestor Carbone)
Dalila Ali Rajah (Connie Falco)
Glenn Keogh (Thompson Daly A.K.A. Masked Man #1)
Michael Felix (Navy Petty Officer Third Class Gary Falco)
Stephanie Y. Wang (Port Authority Lieutenant Emily Shaw)

WRITTEN BY: Scott Williams

DIRECTED BY: Allan Arkush