NCIS: Hawaiʻi season 2

The second season of the American police procedural television series NCIS: Hawaiʻi premiered on September 19, 2022 on CBS during the 2022–23 television season, and concluded on May 22, 2023. A total of 22 episode were produced this season.

The season premiered with a crossover event with NCIS. A three-way crossover event with both NCIS and NCIS: Los Angeles took place during the season in episode 10.

For the 2022–23 television season, the second season of NCIS: Hawaiʻi ranked #16 with an average of 7.53 million viewers.

Main

 * Vanessa Lachey as Jane Tennant: The first female Special Agent-in-Charge of the NCIS: Hawaiʻi Field Office.
 * Alex Tarrant as Kai Holman: A new NCIS agent on the team who recently returned home to care for his father.
 * Noah Mills as Jesse Boone: Tennant's confidant and second-in-command, Boone is a former homicide detective in Washington, DC, who knows the islands' hiking trails well.
 * Yasmine Al-Bustami as Lucy Tara: The junior field agent of NCIS: Hawaiʻi, and Whistler's love-interest turned girlfriend.
 * Jason Antoon as Ernie Malik: NCIS: Hawaiʻi's cyber intelligence specialist
 * Tori Anderson as Kathrine Marie "Kate" Whistler: a Defense Intelligence Agency (DIA) Officer, later Federal Bureau of Investigation (FBI) Special Agent and NCIS-FBI liaison. Tara's love interest-turned-girlfriend.
 * Kian Talan as Alex Tennant: Jane's eldest child.

Recurring

 * Enver Gjokaj as Captain Joe Milius: Deputy Chief of Staff to Commander, Pacific Fleet, later reassigned to the Pentagon.
 * Mahina Napoleon as Julie Tennant: Jane's youngest child.
 * Julie White as Maggie Shaw: Jane's former mentor and friend.
 * Sharif Atkins as Captain Norman 'Boom Boom' Gates
 * Seana Kofoed as Commander (Dr.) Carla Chase, a medical examiner assigned to Joint Base Pearl Harbor–Hickam.

Notable guests

 * Henry Ian Cusick as John Swift, NCIS Supervisory Special Agent in Charge, member of the Office of Special Projects

NCIS

 * Wilmer Valderrama as Nick Torres: NCIS Special Agent who shares a past with Tennant.
 * Katrina Law as Jessica Knight: NCIS Special Agent.
 * Diona Reasonover as Kasie Hines: Forensic Specialist for NCIS.
 * Gary Cole as Alden Parker: NCIS Supervisory Special Agent of the MCRT.
 * Brian Dietzen as Dr. Jimmy Palmer, Chief Medical Examiner for NCIS.

NCIS: Los Angeles

 * Chris O'Donnell as Grisha "G." Callen, NCIS Supervisory Special Agent of the Office of Special Projects in Los Angeles
 * LL Cool J as Sam Hanna, NCIS Senior Field Agent, Second in Command of the OSP

Crossovers
The second season contained two further crossovers, the first once more with NCIS and the second with both NCIS and NCIS: Los Angeles.

Development
On March 31, 2022, CBS renewed the series for a second season which premiered on September 19, 2022.