Taryn Manning will play Alex O'Loughlin's sister A new reboot of a classic TV series just found its leading man last week, and now they've found who will play his sister. According to The Hollywood Reporter, Taryn Manning (Hustle & Flow) has signed on for the Hawaii Five-O remake as a cast regular.

Manning will play Mary Ann McGarrett, the younger sister of Alex O'Loughlin's Steve McGarrett, who heads up a special unit of the Hawaii State Police. Lost actor Daniel Dae Kim also joined the cast recently, playing Detective Chin Ho Kelly.

This new version of the CBS Hawaii Five-O series, which ran from 1968 to 1980, was created by Fringe co-creators Roberto Orci and Alex Kurtzman.