NCIS: New Orleans season 4

The fourth season of NCIS: New Orleans, an American police procedural drama television series, originally aired on CBS from September 26, 2017 to May 15, 2018. The season was produced by CBS Television Studios.

Main

 * Scott Bakula as Dwayne Cassius Pride, NCIS Supervisory Special Agent (SSA)
 * Lucas Black as Christopher LaSalle, NCIS Senior Field Agent (SFA)
 * Vanessa Ferlito as Tammy Gregorio, NCIS Special Agent (SA)
 * Rob Kerkovich as Sebastian Lund, NCIS SA
 * Daryl "Chill" Mitchell as Patton Plame, NCIS Computer Specialist
 * Shalita Grant as Sonja Percy, NCIS SA (episodes 1–19)
 * C. C. H. Pounder as Loretta Wade, Jefferson Parish Medical Examiner

Recurring

 * Shanley Caswell as Laurel Pride, Dwayne Pride's daughter
 * Christopher Meyer as Danny Malloy, Loretta's elder foster son
 * Derek Webster as Raymond Isler, FBI Senior Special Agent
 * Chelsea Field as Rita Devereaux, Pride's lover
 * Riann Steele as Sydney Halliday
 * Amanda Warren as Zahra Taylor, interim mayor and later Mayor of New Orleans
 * Matt Servitto as Carl Estes, NOPD captain
 * Mark Gessner as Oliver Crane
 * Doug Savant as U.S. Associate Attorney General (AAG) Eric Barlow
 * Ellen Hollman as Amelia Parsons Stone, AAG Barlow's aide
 * Lou Diamond Phillips as Deputy Chief Gossett, AAG Barlow's accomplice
 * Antino Crowley-Kamenwati as Lonzo Cortez, AAG Barlow's accomplice
 * Stacey Keach as Cassius Pride, Dwayne Pride's incarcerated father
 * Steven Waldren as Roy, the NCIS Security Guard

Guests

 * Carlos Gomez as Dan Sanchez, NCIS Deputy Director
 * Cassidy Freeman as Eva Azarova
 * Kelly Hu as Doctor Anna Yoon, Ex-wife of Patton
 * Steven Weber as Douglas Hamilton, disgraced former Mayor of New Orleans.
 * Joey Vahedi as Sharif Saadi
 * Peter Rini as Vernon Butler, Taylor's opponent in the mayoral election.
 * Najla Said as Noora Saadi
 * Michael Mulheren as Ron Cook
 * Sarah Schreiber as Female Dealer

Development
NCIS: New Orleans was renewed for a fourth season on March 23, 2017, with a 24-episode order. NCIS: New Orleans was renewed for a fifth season on April 18, 2018.

Casting
On January 31, 2018, Shalita Grant who plays NCIS agent Sonja Percy would be departing after the nineteenth episode of the season.

Broadcast
Season four of NCIS New Orleans premiered on September 26, 2017.