- as Lt. Commander Steven J. „Steve“ McGarrett
- as Cheri Tranton
- as Detective Sergeant Daniel „Danny“/„Danno“ Williams
- as Jason Decker
- as Detective Lieutenant Chin Ho Kelly
- as ATF Special Agent Blake Kennedy
- as Officer Kona „Kono“ Kalakaua
- as Hideaki Kuroda
- as Dr. Max Bergman
- as Allison Hutchins
- as Lt. Catherine „Cath“ Rollins
- as Mary Ann McGarrett
- as SWAT Captain Lou Grover
- as Charlie Fong
- as Linda Davies
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