Main Cast of the 2010–2020 Reboot
The 2010–2020 reboot of Hawaii Five-0 centers on an elite state task force investigating major crimes across Hawaii. The core team is led by former Navy SEAL Steve McGarrett, joined by partners with complementary skills, forensic expertise, and intelligence support. Below is a verified breakdown of the principal actors and their roles, followed by key recurring cast members who shape ongoing storylines.
Leadership and Field Operatives
| Actor | Character | Role Type | Years Active |
|---|---|---|---|
| Alex O'Loughlin | Steve McGarrett | Lead/Commander | 2010–2020 |
| Scott Caan | Danny Williams | Detective/Lieutenant | 2010–2020 |
| Daniel Dae Kim | Chin Ho Kelly | Detective/Captain | 2010–2020 |
| Grace Park | Kono Kalakaua | Detective/Officer | 2010–2020 |
Steve McGarrett (Alex O'Loughlin) is a former Navy SEAL who returns to Hawaii to investigate his father’s murder and subsequently leads the task force. Danny Williams (Scott Caan), a Honolulu Police Department detective known for his sarcasm and by-the-book approach, serves as McGarrett’s counterbalance. Chin Ho Kelly (Daniel Dae Kim) brings deep local knowledge and experience, having been a Honolulu PD detective before being framed. Kono Kalakaua (Grace Park) completes the core team as a rookie-turned-officer with strong field instincts and family ties to Honolulu’s leadership.
Forensic and Intelligence Support
| Actor | Character | Role Type | Years Active |
|---|---|---|---|
| Taryn Manning | Mary Ann McGarrett | Supporting (Seasons 1–2) | 2010–2011 |
| Masi Oka | Max Bergman | Medical Examiner | 2010–2020 |
| Jorge Garcia | Jerry Ortega | Consultant/Reporter | 2010–2020 |
| Taylor Wily | Kamekona Tupuola | Informant/Entrepreneur | 2010–2020 |
Max Bergman (Masi Oka), the compassionate medical examiner, provides autopsy and forensics expertise across the series run. Jerry Ortega (Jorge Garcia), a former conspiracy-theorist-turned-journalist, contributes research skills and cultural insight. Kamekona Tupuola (Taylor Wily) is a local entrepreneur who frequently supplies intelligence and side missions. Mary Ann McGarrett, portrayed by Taryn Manning in early seasons, serves as McGarrett’s sister and adds personal stakes to his backstory before the character departs.
Notable Recurring and Antagonistic Roles
- Scott Wolf as Captain Matthew Hale: A recurring rival within the task force framework.
- Will Yun Lee as Sang Min: An organized crime figure with shifting allegiances.
- Brittany Snow as Dr. Gabrielle Asano: A forensic psychiatrist contributing specialized expertise.
- Terry O'Quinn as Governor Pat Jameson: A political figure influencing task force operations.
- Beulah Koale as Junior Reigns: A later-series addition who becomes a central field operative.
Character Dynamics and Team Evolution
The team structure in Hawaii Five-0 emphasizes complementary skills: field leadership from McGarrett, street instincts from Williams, local network from Chin and Kono, and technical support from recurring allies. Trust is built through high-stakes investigations, though the reboot introduces rotating personnel as characters leave for personal or professional reasons. Over its ten-season run, the series balances new recruit integrations with long-running relationships, maintaining a stable core while allowing for narrative evolution.
Legacy and Continuity Notes
When referencing the original Hawaii Five-O (1968–1980), the reboot deliberately distinguishes itself through modern casting and serialized storytelling. Many actors from the original series appear in homage or cameo roles, but the primary continuity belongs to the 2010–2020 cast listed here. Viewer familiarity with the original is not required to follow character arcs in the reboot, though thematic echoes—loyalty, duty, and Hawaii-centric stakes—remain consistent across eras.