- as Lt. Commander Steven „Steve“ McGarrett
- as Seth Tilton
- as Jesse Hills
- as Detective Sergeant Daniel „Danny“ „Danno“ Williams
- as Helen Tilton
- as Kamekona
- as Grace Williams
- as Detective Lieutenant Chin Ho Kelly
- as Charlie Fong
- as Officer Kona „Kono“ Kalakaua
- as Dr. Max Bergman
- as Lt. Catherine Rollins
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