Hawaii Five O

About Hawaii Five O

The series covers the actions of a small, specialized DPS task force in Hawaii, headed by Lt. Commander Steve McGarrett, USNR. The task force answers only to the Governor of the state of Hawaii and was given immunity and means to investigate crimes ranging from terrorism to kidnapping. McGarrett chooses as his partner Honolulu PD Detective Danny "Danno" Williams. He fills out the team by selecting Chin Ho Kelly, his father's protégé, and Chin's cousin, Kono Kalakaua, a rookie HPD cop. They are assisted by Dr. Max Bergman, a medical examiner for the County of Honolulu, and Jerry Ortega, Chin's high school classmate and a conspiracy theorist. Steve later adds Lou Grover, a HPD SWAT commander, to the Five-0 team and Catherine Rollins, Steve's girlfriend.

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Main Cast

• Alex O'Loughlin as Lieutenant Commander Steven J. "Steve" McGarrett, USNR. A decorated former Navy SEAL, McGarrett is head of the Five-0 Task Force and son of retired HPD Sergeant John McGarrett. John's murder and storyline forms the premise of Steve's return to Hawaii and the formation of the Task Force.

• Scott Caan as Detective Sergeant Danny "Danno" Williams, HPD. He is a divorced single father who transferred from Newark PD in New Jersey to be with his daughter and is the de facto second-in-command of Five-0.

• Daniel Dae Kim as Detective Lieutenant Chin Ho Kelly, HPD. A veteran HPD detective, he was John McGarrett's former rookie and provides technical expertise and local know-how.

• Grace Park as Officer Kono Kalakaua, HPD. A former surfer, she was personally recruited by McGarrett while still in her final days at the HPD Academy. She is the cousin of Lieutenant Kelly.

• Masi Oka as Dr. Max Bergman (seasons 2–7 episode 13, season 1 recurring), the eccentric and well-respected County of Honolulu medical examiner.

• Lauren German as Special Agent Lori Weston (season two episodes 2–4 recurring, season 2 episodes 5–16 main[5]). A senior DHS agent assigned to Five-0 to provide oversight.

• Michelle Borth as Lieutenant Catherine Rollins, USNR (seasons 3–4, seasons 1–2, seasons 5-7 special guest). A former Navy Intelligence officer and McGarrett's ex-girlfriend.

• Chi McBride as HPD SWAT Captain Lou Grover (season 4–present, recurring season 4, 1–9). A transfer from Chicago PD and has two children with his wife Renée.

• Jorge Garcia as Jerry Ortega (season 5–present, season 4, recurring), a conspiracy theorist who assisted Five-0 during several investigations and is eventually hired as a "consultant".

Recurring Cast

• Taylor Wily as Kamekona Tupuola, a rehabilitated ex-convict, turned entrepreneur and owner of the Waiola Shave Ice, Kamekona's Shrimp Truck, and Kamekona's Helicopter Tours. He is a CI for the Five-0 Task Force and their friend.

• Mark Dacascos as Wo Fat, a crime lord and mastermind with ties to the Yakuza, arms merchants, terrorists, high-ranking government officials, and is possibly behind the murder of McGarrett's father. He is also responsible for framing Steve McGarrett for the assassination of Governor Pat Jameson, and ordering Victor Hesse to kill McGarrett to prevent further investigation of his activities. Fat later murders Hesse while Hesse is in prison. He is arrested by McGarrett in "Ua Hopu" and is incarcerated in a maximum security federal prison in Colorado. He escapes in the season four finale and returns to Hawaii, eventually being killed by McGarrett during season 5. It is later revealed that Doris McGarrett, Steve's mother (who is a CIA asset codename: Shelburne) was assigned to kill Wo Fat's father but the mission went wrong resulting in the death of Wo Fat's mother; Doris took responsibility for raising him (apparently from a guilty conscience due to the failed mission).

• Will Yun Lee as Sang Min, a Snakehead busted by Five-0, and later used by the team as a source of criminal intelligence. He was sent to a federal prison in Virginia but returns to Hawaii in season three to testify against his former criminal associates. The Five-0 Task Force has a love-hate relationship with him: he is a valuable source of information for them but his penchant for flirting with Officer Kono Kalakaua often earns him the ire of the team, with Kono sometimes threatening to beat him up herself. He was married to a Rwandan woman and had a son, whom he doted on, and sought them out when he returned to Hawaii, only to find that she had changed her name and found another man, leaving him disappointed and heartbroken.

• Teilor Grubbs as Grace Williams, Danny's daughter.

• Ian Anthony Dale as Adam Noshimuri, Kono's husband, who becomes the new head of the Japanese Yakuza after Wo Fat murders his father, Hiro. He has been trying to legitimize and clean up his business organization with the intention of distancing himself from his father's criminal past. After killing his brother, Michael, to protect Kono, he and Kono leave Hawaii and go into hiding. He comes out of hiding after his brother's loyalists are no longer a threat. At the beginning of season 5, Adam proposes to Kono and at the end of that season, they marry.

• William Sadler as John McGarrett, Steve's Father. A former Navy veteran and HPD detective.

• Dennis Chun as Sgt. Duke Lukela, HPD officer who often acts as a liaison to Five-0. He was one of the few HPD cops who was not antagonistic towards Danny or the other Five-O members from the beginning, as he was colleagues with Steve's father and also personally knew Chin and Kono's family. In "Hookman", he was shot by Curt Stoner (Peter Weller), but survived and recovered. Chun is the son of Kam Fong Chun, who played Chin Ho Kelly in the original series.

• Claire van der Boom as Rachel Edwards, Danny's ex-wife and mother of Grace and Charlie. She moves to Hawaii after marrying millionaire Stan Edwards. Early in season 1, she and Danny are often seen bitterly arguing on the phone to the point where the whole team knew about the situation even before they had met Rachel or Grace in person. She often used Grace as leverage and threatened to further limit his visitation rights when his job prevented him from being punctual to their father-daughter dates but Danny successfully files for joint custody, meaning that Grace cannot leave Hawaii without his consent. They are on much better terms, particularly after her marriage with Stan hits a rocky patch and Danny was there to help with Charlie's birth (who he later discovers is actually his son, not Stan's).

• Mark Deklin as Stan Edwards, Grace's stepfather and Rachel's second husband. Danny nicknamed him "step-Stan", initially as an insult. They are now on friendly terms, ever since Danny bailed him out of a misunderstanding with a corrupt government official that nearly turned fatal for both Rachel and Grace.

• Taryn Manning as Mary Ann McGarrett, Steve's sister who lives on the mainland and occasionally visits Hawaii.

• Terry O'Quinn as Lieutenant Commander Joe White, USN (Ret.), Steve's mentor and friend of his father John. He was Steve's commander during BUD/S and also served with him on his Navy tours. He helps the task force on multiple occasions providing intel and using his contacts with the Navy. He was instrumental in Steve's rescue from the hands of Wo Fat in season two from hostile territories of Korea. He later resigned from the Navy in the aftermath of the unsanctioned operation while shielding the involvement of the Seal Team 9 members who participated in the rescue mission (Though no such Team 9 has ever been in existence in real life but the SEAL Delivery Vehicle Team One (SDVT-1) is based in Hawaii as is the fictional Team 9). After retirement, he tracked down Shelburne (later revealed as Steve's mother) and also hid her from Steve's attempts to locate Shelburne initially but later took Steve to the safehouse where Shelburne was hiding.

• Larisa Oleynik as ex-CIA analyst Jenna Kaye, assistant to Five-0. She is later revealed to be an associate of Wo Fat. At the end of "Ha'i'ole", she is seen driving Wo Fat away from the prison after he murdered Victor Hesse. She leaves Five-0 to follow up on a lead that her fiancé, Josh, who she claimed had been killed by Wo Fat, might in fact be alive and asks Steve to go with her to North Korea to get him. It turns out to be a trap for McGarrett, from Wo Fat telling Jenna he would release Josh if she brought him McGarrett, explaining her association with him. Jenna later discovers that Josh had been dead the entire time and that it was also a trap for her. She is able to tell McGarrett she is sorry for setting him up and gives him a pin from Josh's knee repair to help him escape, moments before Wo Fat shoots and kills her (season 2, episode 10).

• Andrew Lawrence as Eric Russo, Danny's nephew who later becomes a forensic scientist working for HPD and Five-0.

• Jean Smart as Governor Pat Jameson who recruits Steve to run the Five-0 task force in the pilot. Later in season 1, it is revealed that she has connections to the Yakuza boss and also appears to be in league with Wo Fat. Steve discovers evidence linking her to the theft of his father's toolbox (containing vital pieces of evidence regarding corruption in the government) and the car bomb explosion which killed the governor's public safety liaison. In the season finale when Steve breaks into the governor's residence to question her, she stalls for time by confessing the truth and Wo Fat attacks Steve from behind with a taser knocking him unconscious and kills the governor using Steve's gun thus framing him for the murder.

• Richard T. Jones as Governor Sam Denning who takes over after the murder of Governor Jameson and disbands the Five-0 task force after Steve is arrested for the murder of Gov. Jameson. In the first episode of the second season however, the remaining team works tirelessly with the help of LCDR Joe White and Medical Examiner Dr. Max Bergman to find evidence from a hidden camera in the governor's office (which was put there by Steve's father as a part of his investigation into government corruption) and proves Steve's innocence. Steve is cleared of the charges and convinces the governor to reinstate the Five-0 task force. His successor is Governor Keiko Mahoe in Season 7.

• Reiko Aylesworth as Malia Waincroft, Chin Ho's wife. She marries Kelly in the episode "Alaheo Pauʻole", but dies in "La O Na Makuahine", the third-season premiere episode, from injuries sustained after she was shot, leaving Chin devastated. She had a brother named Gabriel Waincroft who was revealed to be responsible for the murder of Chin's father 15 years earlier.

• Brian Yang as HPD forensic scientist Charlie Fong, who often analyzes evidence for Five-0, and was a childhood friend of Kono's.

• Christine Lahti as Doris McGarrett, Steve's mother who was assumed dead in an apparent car accident 20 years ago. She is revealed to be a CIA asset and had faked her death to protect her family after a failed mission resulting in the death of Wo Fat's mother instead of his father who was the intended target. Doris started secretly looking after the young Wo Fat after the death of his mother but when the CIA found out about this she was told to abandon him. After Wo Fat found out what had happened he pursued her and she had to fake her death and go into hiding to protect her family.

• Lili Simmons as Amber Vitale, the actual girlfriend of Danny. A New Yorker, her real name was Melissa Armstrong, she changed her name after fleeing to Hawaii to escape her abusive ex-husband, who was eventually imprisoned after assaulting Danny.

• Melanie Griffith as Clara Williams, mother of Danny Williams.

• Amanda Setton as Dr. Mindy Shaw, assistant to Dr. Max Bergman. She and Jerry Ortega had a fling as they shared mutual interests.

• Shawn Mokuahi-Garnett as Cousin Flippa, Kamekona's cousin.

• Kekoa Kekumano as Nahele Huikala, a homeless teen who steals McGarrett's car (in the episode Poina ʻOle), had the car stripped and sold the parts. It is later learned that his father committed a murder revealed in the season six episode "Hana Keaka" where he was the sole eyewitness moments after his father regained full parental custody after being released from Halawa Correctional Facility.

• Christopher Sean as Gabriel Waincroft, a powerful fugitive crime figure who is the brother of Dr. Malia Waincroft and the brother-in-law of H50 Chin Ho Kelly, whose father Gabriel is revealed to have killed as part of a gang initiation 15 years ago. In seasons five and six, he is the series' primary antagonist, following Wo Fat's death at the hands of Steve McGarrett. In Pa'a Ka 'ipuka I Ka 'Upena Nananana, he was badly wounded & died in surgery from cardiac arrest.

• Carol Burnett as Aunt Debbie (or Deb), McGarrett's aunt from 2013 until her death from cancer in the January 15, 2016 episode.

• Julie Benz as Abby Dunn, an Internal Affairs agent who is investigating 5-0 undercover as a detective from San Francisco.

• Rosalind Chao as Governor Keiko Mahoe, successor to Sam Denning.

• Chosen Jacobs as Will Grover, Lou's son who is romantically involved with Grace Williams.

• Sarah Carter as Lynn Downey, a friend of Ellie Clayton and the actual girlfriend of Steve McGarett.

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