PRIDE AND LASALLE TRAVEL TO WAR-TORN SOUTH OSSETIA IN RUSSIA TO LOCATE FBI SPECIAL AGENT RAYMOND ISLER, WHO WAS KIDNAPPED DURING A FAILED MISSION TO APPREHEND THE LEADER OF APOLLYON, ON "NCIS: NEW ORLEANS," TUESDAY, MAY 7

Derek Webster Guest Stars as FBI Special Agent Raymond Isler

"The River Styx, Part 1" - Pride and Lasalle travel to war-torn South Ossetia in Russia to locate FBI Special Agent Raymond Isler (Derek Webster)
, who was kidnapped during a failed mission to apprehend the leader of Apollyon, the underground spy network responsible for murdering Pride's father, on NCIS: NEW ORLEANS, Tuesday, May 7 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

Scott Bakula (Special Agent Dwayne Pride)
Lucas Black (Special Agent Christopher Lasalle)
Vanessa Ferlito (Special Agent Tammy Gregorio)
Necar Zadegan (Special Agent Hannah Khoury)
Rob Kerkovich (Forensic Agent Sebastian Lund)
Daryl "Chill" Mitchell (Investigative Computer Specialist Patton Plame)
CCH Pounder (Dr. Loretta Wade)

GUEST CAST:

Derek Webster (FBI Special Agent Raymond Isler)

WRITTEN BY: Chad Gomez Creasey

DIRECTED BY: Jim Hayman