NCIS: New Orleans Tonight: “The River Styx, Part 1” NCIS: New Orleans Tonight: “The River Styx, Part 1”
Preview images and guest star information for the NCIS: New Orleans episode "The River Styx, Part 1" NCIS: New Orleans Tonight: “The River Styx, Part 1”

Derek Webster guest stars as FBI Special Agent Raymond Isler in Part 1 of the two-part NCIS: New Orleans season finale “The River Styx.” Here’s how CBS describes the episode:

“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.

Some photos can be found below.

NCIS: NEW ORLEANS

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"The River Styx, Part 1" -- Pride and Lasalle travel to war-torn South Ossetia 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. Pictured: Lucas Black as Special Agent Christopher LaSalle Photo: Sam Lothridge/CBS ©2019 CBS Broadcasting, Inc. All Rights Reserved

NCIS: New Orleans stars 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), and CCH Pounder (Dr. Loretta Wade).

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Craig Byrne, Editor-In-Chief

KSiteTV Editor-In-Chief Craig Byrne has been writing about TV on the internet since 1995. He is also the author of several published books, including Smallville: The Visual Guide and the show's Official Companions for Seasons 4-7.