NCIS Database
NCIS Database

NCIS Season 19 premiered on September 20, 2021.


Name Portrayed by Role Notes
Leroy Jethro Gibbs Mark Harmon NCIS Special Agent in Charge. Currently suspended indefinitely.
Timothy (Tim) McGee Sean Murray NCIS Senior Special Agent.
Nicholas (Nick) Torres Wilmer Valderrama NCIS Special Agent.
Jessica Knight Katrina Law NCIS Special Agent.
James (Jimmy) Palmer Brian Dietzen Chief Medical Examiner. Former Medical Assistant.
Kasie Hines Diona Reasonover NCIS Forensic Specialist.
Donald Mallard David McCallum NCIS Historian Former Medical Examiner
Leon Vance Rocky Carroll Director of NCIS.
Alden Park Gary Cole FBI Special Agent. (episode 2–)

Cast notes[]

  • On Tuesday, June 22, 2021, it was announced that Gary Cole (Alden Park) had joined the series where Mark Harmon (Leroy Jethro Gibbs) is reducing more episodes and Katrina Law (Jessica Knight) had been promoted to series regular and that she was the replacement for Emily Wickersham (Eleanor Bishop).[1]
  • David McCallum (Ducky Mallard) is now credited before Rocky Carroll (Leon Vance), as well as receiving a "with" billing.


  • On April 15, 2021, the main series has renewed for 19th season.[2]
  • This season will be the first time to show on Mondays instead of Tuesdays and at 9:00 instead of 8:00.


Episode Number Production Title Airdate Summary
Series Season Code
415 1 1901 Blood in the Water (episode) September 20, 2021 As the team searches for Gibbs after wreckage from his boat is discovered, they find out he was tracking a serial killer with journalist Marcie Warren, who wrote an exposé on him.
416 2 1902 Nearly Departed (episode) September 27, 2021 While trying to find the serial killer Gibbs was after, the team discovers another person has been tracking the case as well.
417 3 1903 Road to Nowhere (episode) October 4, 2021
418 4 1904 Great Wide Open (episode) October 11, 2021


  v - e - d Seasons of NCIS
NCIS Season 1NCIS Season 2NCIS Season 3NCIS Season 4NCIS Season 5NCIS Season 6NCIS Season 7NCIS Season 8NCIS Season 9NCIS Season 10NCIS Season 11NCIS Season 12NCIS Season 13NCIS Season 14NCIS Season 15NCIS Season 16NCIS Season 17NCIS Season 18NCIS Season 19