Alex O'Loughlin joins Hawaii Five-0 According to The Hollywood Reporter, Alex O'Loughlin is hitting the television beat as Detective Steve McGarrett in CBS' Hawaii Five-O remake.

O'Loughlin is going to play the head of the Hawaii State Police that was played by Jack Lord in the original series.

O'Loughlin joins recently cast Daniel Dae Kim (Lost), who will play Detective Chin Ho Kelly.

This Hawaii Five-O reboot comes from Fringe co-creators Alex Kurtzman and Roberto Orci.