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List of Hawaii Five-0 (2010 TV series) characters

Danny Williams
Dannocrop1 (518x350).jpg
First appearance Pilot
(episode 1.01)
Portrayed by Scott Caan
Other appearances NCIS: Los Angeles
Information
Nickname(s) Danno (by Grace, Charlie, and Steve)
Jersey (by Kamekona and Melissa)
Haole (by Kamekona)
Occupation Member of the Five-0 Task Force
Detective, Honolulu PD (formerly)
Police officer/detective, Newark PD (formerly)
Title Detective Sergeant
Family Eddie Williams (father)
Clara Williams (mother)
Matthew Williams (brother; deceased)
Stella Williams Russo (sister)
Bridgett Williams (sister)
Spouse(s) Rachel (ex-wife)
Significant other(s) Gabrielle Asano (ex-girlfriend)
Amber Vitale (a.k.a. Melissa Armstrong)
Children Grace Williams (daughter)
Charles Edwards (son)
Relatives Eric Russo (nephew)
unnamed niece
unnamed nephew
Chin Ho Kelly
First appearance Pilot
(episode 1.01)
Portrayed by Daniel Dae Kim
Other appearances NCIS: Los Angeles
MacGyver
Information
Nickname(s) Chin
Occupation Member of the Five-0 Task Force
Police officer/Detective, Honolulu PD (formerly)
Title Detective Lieutenant
Family Kam Tong Kelly (father, deceased)
Spouse(s) Malia Waincroft (deceased)
Significant other(s) Abby Dunn (girlfriend)
Leilani (ex-girlfriend)
Relatives Sara Malia Diaz Waincroft (Niece; Ward)
Keako (uncle)
Mele (aunt, deceased)
Kono Kalakaua (cousin)
Gabriel Waincroft (brother-in-law, deceased)
Kono Kalakaua
First appearance Pilot
(episode 1.01)
Portrayed by Grace Park
Other appearances MacGyver
Information
Full name Kono Kalakaua
Occupation Member of the Five-0 Task Force
Professional surfer (formerly)
Title Officer
Family Ke'ano Kalakaua (father)
Nani Kalakaua (mother)
Spouse(s) Adam Noshimuri
Relatives Keako (uncle)
Mele (aunt, deceased)
Chin Ho Kelly (cousin)
Max Bergman
First appearance "Nalowale" / "Forgotten/Missing"
(episode 1.05)
Last appearance "Ua ho'i ka 'opua i Awalua" / "The Clouds Always Return to Alawua""
(episode 7.13)
Portrayed by Masi Oka
Information
Occupation Chief Medical Examiner
Title Doctor
Family Mr. & Mrs. Bergman (adoptive parents)
Spouse(s) Sabrina Lane
Relatives Machiyo Takeshita (Biological Mother)(deceased)
Religion Judaism
Lori Weston
First appearance "Ua Lawe Wale" / "Taken"
(episode 2.02)
Last appearance "I Helu Pu" / "The Reckoning"
(episode 2.16)
Portrayed by Lauren German
Information
Occupation Special Agent, DHS
Special Agent/Profiler, FBI (formerly)
Title Special Agent
Catherine Rollins
First appearance "Lanakila" / "Victory"
(episode 1.04)
Last appearance "Ka makuahine a me ke keikikane" / "Mother and Son"
(episode 7.07)
Portrayed by Michelle Borth
Information
Full name Catherine Rollins
Nickname(s) Cath
Occupation Member of the Five-0 Task Force (inactive)
Private investigator (formerly)
United States Navy officer (formerly)
Title Lieutenant
Family Unnamed parents
Significant other(s) Steve McGarrett
Billy Harrington (ex-boyfriend; deceased)
Lou Grover
First appearance "Aloha Ke Kahi I Ke Kahi" / "We Need Each Another"
(episode 4.01)
Portrayed by Chi McBride
Information
Full name Louis Purnell Grover
Occupation Member of Five-0 Task Force
Head of SWAT, HPD (formerly)
Head of SWAT/police officer, CPD (formerly)
Title Captain
Spouse(s) Renée Grover
Children Will Grover(son)
Samantha Grover (daughter)
Jerry Ortega
First appearance "Kaʻoia iʻo Ma Loko" / "The Truth Within"
(episode 4.03)
Portrayed by Jorge Garcia
Information
Occupation Special Consultant, Five-0 Task Force
Family Unnamed father (deceased)
Unnamed mother
Isabel Ortega (younger sister)
Significant other(s) Dr. Mindy Shaw

This is a list of fictional characters in the television series Hawaii Five-0, which has aired on CBS since 2010. The article deals with the series' main, recurring, and minor characters.

Detective Sergeant Daniel "Danny" "Danno" James Williams, GC (portrayed by Scott Caan) is a member of the Five-0 Task Force and the de facto second in command. He is an experienced detective whose police background and tendency to go "by the book" clashes with McGarrett's "shoot now, talk later" style.

It is established in Season 1 that Danny was from New Jersey, presumably around the New York metropolitan area, and was only living in Hawaii because his ex-wife Rachel had remarried and moved there with their daughter Grace to join her new husband Stan Edwards. He transferred from Newark PD to the Honolulu PD to be closer to Grace. In the Pilot, Danny had moved to Hawaii six months ago and was a "greener than grass" homicide detective with the HPD when he was assigned the murder investigation of John McGarrett. He comes into contact with John's son Lieutenant Commander Steve McGarrett, then still on active duty, who returns home to Hawaii seeking revenge and intending to take over the investigation into the murder of his father. The Governor had requested the younger McGarrett to set up a task force and Danny was his first recruit. They then recruit Chin Ho Kelly and Kono Kalakaua to form the Five-0 Task Force.

Danny often rants to McGarrett about his dislike for everything Hawaiian, from pineapples on pizza to surfing etiquette, while McGarrett would mock his affinity for wearing ties and loafers at work, a practice not common in Hawaii. Regarded as a haole for being a non-Hawaiian and not following island customs during the first season, Danny is often viewed as a curiosity or with disdain by the locals and other HPD cops and the first season sees the rest of the team often having to explain to him the idiosyncrasies of life in Hawaii. For example, his insistence on wearing what he deemed to be "professional attire" (tie and loafers) and disregard for surf etiquette or Native Hawaiian culture is met with ridicule and light-hearted derision from his co-workers. He eventually stops wearing ties and, in the season 5 premiere, admits that he feels at home in Hawaii and views his Five-0 co-workers as his extended family.


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