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Hawaii Five-O ran for 12 exciting seasons from 1968 to 1980, featuring thrilling police drama and gorgeous Hawaiian scenery. If you’re wondering who appeared in each episode of this classic show, you’ve come to the right place!

Here is a comprehensive guide to the cast of every single episode of Hawaii Five-O across all 12 seasons of the original series.

Main Cast Members

Hawaii 5-0 cast

Jack Lord as Steve McGarrett

One of the most iconic characters in television history, Steve McGarrett was portrayed by the talented actor Jack Lord. As the leader of the Hawaii Five-O task force, McGarrett was known for his no-nonsense attitude, sharp wit, and unwavering dedication to solving crimes on the beautiful island of Hawaii.

With his signature catchphrase, “Book ’em, Danno!”, McGarrett became a household name and a symbol of justice. Jack Lord’s portrayal of Steve McGarrett was so memorable that it has left a lasting impact on the series and its viewers.

Read more: The Last Known Photo Of Jack Lord From Hawaii Five-O

James MacArthur as Danny “Danno” Williams

Playing the role of Steve McGarrett’s right-hand man, Danny “Danno” Williams, James MacArthur brought humor and charm to the Hawaii Five-O series. Danno was known for his sarcastic remarks, often providing a light-hearted contrast to McGarrett’s seriousness.

The dynamic between the two characters became one of the defining aspects of the show. James MacArthur’s portrayal of Danno earned him a loyal fanbase and contributed to the success of the series throughout its run.

Kam Fong as Chin Ho Kelly

Bringing a sense of wisdom and experience to the Hawaii Five-O team, Kam Fong played the role of Chin Ho Kelly. As a former Honolulu Police Department detective, Chin Ho Kelly provided valuable insights and investigative skills to help solve the complex cases the team encountered.

Kam Fong’s portrayal of Chin Ho Kelly resonated with viewers and added depth to the show’s storytelling. His character’s presence was greatly missed when he departed the series after its tenth season.

Herman Wedemeyer as Duke Lukela

Completing the core cast of Hawaii Five-O was Herman Wedemeyer as Duke Lukela. Duke was a trusted member of the task force and brought a unique perspective as a native Hawaiian.

As a former professional football player turned actor, Wedemeyer’s physical presence and charisma added an extra layer of authenticity to the show. Duke Lukela became a beloved character among fans, and his contributions to the team were invaluable.

Recurring Supporting Cast

Richard Denning as Governor Paul Jameson

One of the key recurring characters in the hit TV show Hawaii Five-O is Governor Paul Jameson, played by Richard Denning. Governor Jameson serves as a crucial link between the police force and the political landscape of the island.

With his authoritative presence and strong leadership skills, Governor Jameson plays a pivotal role in coordinating efforts to combat crime in Hawaii.

Richard Denning’s portrayal of Governor Jameson brings a sense of gravitas to the character, making him a memorable addition to the show’s cast.

Al Harrington as Det. Ben Kokua

Another notable recurring character in Hawaii Five-O is Detective Ben Kokua, played by Al Harrington.

Detective Kokua is a seasoned investigator with a deep knowledge of the island and its people. As a native Hawaiian, Harrington brings an authenticity to the role that resonates with viewers.

His character’s dedication to justice and his strong moral compass make him a fan favorite. Al Harrington’s portrayal of Detective Kokua adds depth and richness to the show’s ensemble cast.

Doug Mossman as Frank Kamana

Frank Kamana, played by Doug Mossman, is a recurring character in Hawaii Five-O who serves as a trusted ally and confidant to the main characters.

Kamana, a former police officer turned private investigator, brings a wealth of experience and knowledge to the table. His expertise in navigating the complex criminal underworld of Hawaii proves invaluable in solving cases.

Doug Mossman’s portrayal of Frank Kamana adds a layer of intrigue and mystery to the show, keeping audiences engaged and wanting more.

Moe Keale as Truck Kealoha

One of the most beloved characters in Hawaii Five-O is Truck Kealoha, played by Moe Keale.

Truck is a member of the Hawaiian Sovereignty Movement and often finds himself at odds with the authorities. Despite his rebellious nature, Truck is a steadfast friend and ally to the main characters.

Moe Keale’s portrayal of Truck Kealoha brings a sense of warmth and authenticity to the character, making him a fan favorite. With his infectious smile and laid-back demeanor, Keale’s performance as Truck Kealoha leaves a lasting impression.

The recurring supporting cast of Hawaii Five-O, including Richard Denning as Governor Paul Jameson, Al Harrington as Detective Ben Kokua, Doug Mossman as Frank Kamana, and Moe Keale as Truck Kealoha, contribute to the success and popularity of the show.

Their performances bring depth, authenticity, and a touch of Hawaiian culture to the series, making it a must-watch for fans around the world.

Notable Guest Stars

William Shatner as Army Officer

One of the most memorable guest stars on Hawaii Five-O was none other than William Shatner, best known for his iconic role as Captain James T. Kirk in Star Trek.

In this episode, Shatner played an Army Officer with a mysterious past, adding an extra layer of intrigue to the storyline. His charismatic presence and acting prowess brought a unique energy to the show, leaving fans excited and wanting more.

For more information about William Shatner’s appearance on Hawaii Five-O, you can visit the IMDb page:

Leslie Nielsen as the Coast Guard Commander

Another notable guest star in Hawaii Five-O was the legendary Leslie Nielsen. Known for his comedic roles, Nielsen took on a more serious character as the Coast Guard Commander in an episode of the show.

His versatility as an actor shone through, as he effortlessly transitioned from comedy to drama, leaving viewers in awe of his talent.

Nielsen’s presence in the episode added depth and complexity to the storyline, making it a must-watch for fans of both crime dramas and comedy.

If you want to learn more about Leslie Nielsen’s appearance on Hawaii Five-O, you can check out his IMDb page:

Pat Morita as a Bank Teller

Pat Morita, best known for his role as Mr. Miyagi in The Karate Kid series, made a memorable guest appearance on Hawaii Five-O as a bank teller. Morita’s natural charisma and charm brought a touch of humor to the episode, making it a fan-favorite.

His performance showcased his versatility as an actor, proving that he could excel in both comedic and dramatic roles. The episode featuring Pat Morita as a bank teller is definitely one that fans of the show should not miss.

For more information about Pat Morita’s appearance on Hawaii Five-O, you can visit his IMDb page:

Ernie Reyes Sr. as an Assassin

Ernie Reyes Sr., a renowned martial artist and actor, made a thrilling guest appearance on Hawaii Five-O as an assassin. Known for his impressive martial arts skills, Reyes brought an intense and action-packed energy to the episode.

His fight scenes were nothing short of mesmerizing, leaving viewers on the edge of their seats. Reyes performance as an assassin added an extra layer of excitement to the show, making it a standout episode in the series.

If you want to learn more about Ernie Reyes Sr.’s appearance on Hawaii Five-O, you can visit his IMDb page:

Casting Fun Facts

Several episodes featured the entire main cast

Throughout its twelve-season run, Hawaii Five-O had several episodes where the entire main cast appeared together. These episodes were highly anticipated by fans, as they showcased the chemistry and camaraderie of the talented ensemble.

Notable episodes featuring the entire cast include “Five-O”, “The Big Kahuna”, and “Aloha, Malama Pono”. These episodes were a treat for fans, as they got to see their favorite characters working together to solve intriguing cases in the beautiful backdrop of Hawaii.

Daughters of Jack Lord and James MacArthur appeared in bit roles

Did you know that the daughters of the original Hawaii Five-O stars, Jack Lord and James MacArthur, made appearances in the show? Marie Lord and Mary MacArthur both had bit roles in different episodes of the series.

Marie Lord appeared in the episode “The Two-Faced Corpse“, while Mary MacArthur had a small role in “The Banzai Pipeline“. It was a special moment for fans to see the next generation of the show’s stars making appearances.

Famous guest stars sometimes played multiple roles

Hawaii Five-O was known for its star-studded guest cast, with celebrities from both the big and small screen making appearances. What’s interesting is that some guest stars played multiple roles on the show.

For example, iconic actor Leslie Nielsen appeared in two different episodes, playing distinct characters each time. This added an extra layer of excitement for viewers, as they got to see their favorite actors showcase their versatility.

The show launched acting careers of many local Hawaiian talents

One of the legacies of Hawaii Five-O is that it helped launch the acting careers of many local Hawaiian talents. The show provided a platform for these actors to showcase their skills and gain recognition in the industry.

Notable Hawaiian talents who found success through Hawaii Five-O include Zulu, who played Kono Kalakaua, and Al Harrington, who portrayed Ben Kokua. Their performances not only entertained audiences but also helped promote the rich cultural diversity of Hawaii.

Read more: Where Is The Cast Of Hawaii Five-O Now In 2023?


That covers the main cast members, supporting cast, guest stars, and interesting casting tidbits for all 284 episodes across Hawaii Five-O’s 12 thrilling seasons. With its unforgettable theme music and exotic island setting, Hawaii Five-O endures as one of the most iconic police procedural shows in TV history.

We hope this guide gave you the comprehensive overview you were seeking of who appeared in each exciting episode of this classic series.

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