Who are the characters in Hawaii 5-O?

* Steve McGarrett (Alex O'Loughlin): A former Navy SEAL and the leader of the Hawaii Five-0 Task Force.

* Danny Williams (Scott Caan): A former New Jersey cop who is now a detective with the HPD and McGarrett's partner.

* Chin Ho Kelly (Daniel Dae Kim): A former Honolulu Police officer and the HPD liaison to the Five-0 Task Force.

* Kono Kalakaua (Grace Park): A former HPD officer and now a member of the Five-0 Task Force.

* Dr. Max Bergman (Masi Oka): The Chief Medical Examiner for the State of Hawaii and a close friend of McGarrett's.

* Jerry Ortega (Jorge Garcia): A former conspiracy theorist and computer expert who is now a member of the Five-0 Task Force.

* Tani Rey (Meaghan Rath): A former beat cop who is now a member of the Five-0 Task Force.

* Junior Reigns (Beulah Koale): A former Navy SEAL and the newest member of the Five-0 Task Force.

Recurring Characters:

* Governor Pat Jameson (Jean Smart): The Governor of Hawaii and a mentor to McGarrett.

* Joe White (Terry O'Quinn): McGarrett's former boss at the CIA and a close friend.

* Catherine Rollins (Michelle Borth): A former CIA agent and McGarrett's girlfriend.

* Frank Bama (William Baldwin): A former member of the Five-0 Task Force and a close friend of McGarrett's.

* Dr. Noelani Cunha (Kimee Balmilero): A forensic pathologist who works with the Five-0 Task Force.

* Duke Lukela (Dennis Chun): A former HPD officer and a close friend of Chin Ho's.

* Abbie Dunn (Julie Benz): A former federal prosecutor and Danny's ex-wife.

* Grace Williams (Teilor Grubbs): Danny and Rachel's daughter.

* Charlie Williams (Dylan John Kahiapo): Danny and Rachel's son.