Primal Fear is the fourth episode of NCIS: Hawaii Season 2 as well as the 26th episode of the entire NCIS: Hawaii series.
Synopsis
When a Navy sailor washes up dead in a sacred, forbidden kapu site, the NCIS: Hawaii team bring in CGIS Special Agent Neil Pike to help them unmask the mystery and catch a possible serial killer operating on the island, one who's literally scaring his victims to death while Jane meets Alex's new girlfriend.
Plot

Kai and Jane after discovering another body in the kapu.
Cast
Series Regulars
Name | Portrayed by | Role |
---|---|---|
Jane Tennant | Vanessa Lachey | Special Agent in charge of the NCIS: Hawaii team. |
Kai Holman | Alex Tarrant | Special Agent for the NCIS: Hawaii team. |
Jesse Boone | Noah Mills | Senior Agent for the NCIS: Hawaii team. |
Lucy Tara | Yasmine Al-Bustami | Junior Agent for the NCIS: Hawaii team. |
Ernie Malik | Jason Antoon | Computer specialist for the NCIS: Hawaii team. |
Kate Whistler | Tori Anderson | FBI Special Agent. |
Alex Tennant | Kian Talan | NCIS Special Agent Jane Tennant's son. |
Recurring Cast
Name | Portrayed by | Role |
Carla Chase | Seana Kofoed | Navy Commander and Medical Examiner. |
Neil Pike | Mark Gessner | Agent with the CGIS. |
Guest Cast
Name | Portrayed by | Role |
Cassandra Souza | Sierra Swartz | Alex Tennant's girlfriend. |
Ella Baird | Lily Bleu Andrew | Navy Seaman Apprentice. |
Ava Nakama | Cindy Ramirez | Office of Hawaiian Affairs Representative. |
Delroy Windell | Jeremy Isaiah Earl | United States Park Police Ranger. |
Bryson Stone | Eric Ladin | United States Park Police Ranger. |
Joseph Hoffman | Don Swazye | |
T. Callahan | Scott M. Schewe | Sergeant with the Honolulu Police Department. Uncredited role. |