AS TORRES AND SLOANE RUN PROTECTION DETAIL FOR A U.S. SENATOR IN AFGHANISTAN FOR THE HOLIDAYS, THEY MUST URGENTLY RETURN TO THE STATES AFTER HEARING THE SENATOR'S SON IS IN THE ICU, ON "NCIS," TUESDAY, DEC. 12

James Morrison Guest Stars as U.S. Senator John Phillips

"Double Down" - As Torres and Sloane run protection detail for U.S. Senator John Phillips (James Morrison)
in Afghanistan for the holidays, they must urgently return to the states after hearing the senator's son is in the ICU. Also, Gibbs and the team investigate the altercation that caused the life threatening injuries to the senator's son, on NCIS, Tuesday, Dec. 12 (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:

James Morrison (U.S. Senator John Phillips)
Jonathan Kite (Chet Goodman)
Aaron Jennings (Seth Hendrix)
Amanda Payton (Misty Boxlarter)
Michael Masini (Axel McKenzie III A.K.A Man)
Nicki Micheaux (Metro P.D. Detective Martha Mayer)
Franco Barberis (Marine Gunnery Sergeant Matt Lecroix)
Blake Webb (Chandler Phillips)
Joey Stromberg (Marine Corporal Gig Girard)

WRITTEN BY: Christopher J. Waild

DIRECTED BY: Alrick Riley