Meet the H5O Cast

Detective Steve McGarrett (Alex O’Loughlin)

A decorated Naval officer turned cop, returns to Oahu to investigate his father’s murder and stays after Hawaii’s governor persuades him to head up the new team. McGarrett vows to bring closure to his father’s case while the state’s brash new FIVE-0 unit.

Detective Danny “Danno” Williams (Scott Caan)

A newly relocated ex-New Jersey cop who prefers skyscrapers to the coastline but is committed to keeping the Islands safe for his 8-year-old daughter.

Chin Ho Kelly (Daniel Dae Kim)

An ex-Honolulu Police Detective wrongly accused of corruption and relegated to a federal security patrol, also a former protege of McGarrett’s father.

Kono Kalakaua (Grace Park)

A beautiful and fearless native, fresh out of the academy and eager to establish herself among the department’s elite.

Mary Anne McGarrett (Taryn Manning)

Steve McGarrett’s sister.

Governor Pat Jameson (Jean Smart)

Hawaii’s Governor and the one who persuades McGarrett to form a new team.

Victor Hesse (James Marsters)

The nemesis of lead character Steve McGarrett and the one who killed his father.