AFTER SEVERAL SEABEES AT A NAVAL BASE ARE POISONED WITH A CONTAGIOUS SUPER VIRUS, THE NCIS TEAM RACES TO LOCATE AN ANTIDOTE FOR THE SAILORS AND WADE, WHO WAS INFECTED DURING AN AUTOPSY, ON A REBROADCAST OF "NCIS: NEW ORLEANS," TUESDAY, AUGUST 15

Steven Weber Returns as Mayor Hamilton

"Quid Pro Quo" - While investigating a deadly accident at a naval base, NCIS discovers a unit of Seabees was poisoned with a contagious super virus leaving the rest of the base and the entire city of New Orleans at risk for a catastrophic outbreak. Also, during the autopsy, Wade is infected with the virus and given hours to live if an antidote can't be found, on a rebroadcast of NCIS: NEW ORLEANS, Tuesday, August 15 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Steven Weber returns as Mayor Hamilton. (Originally broadcast 3/28/17.)

REGULAR CAST:

Scott Bakula (Special Agent Dwayne Pride)
Lucas Black (Special Agent Christopher Lasalle)
Vanessa Ferlito (FBI Special Agent Tammy Gregorio)
Rob Kerkovich (Forensics Agent Sebastian Lund)
Daryl "Chill" Mitchell (Investigative Computer Specialist Patton Plane)
Shalita Grant (Special Agent Sonja Percy)
CCH Pounder (Dr. Loretta Wade)

GUEST CAST:

Steven Weber (Mayor Hamilton)

WRITTEN BY: Zach Strauss

DIRECTED BY: Alex Zakrzewski