“Hawaii Five-O”: Terry O’Quinn joins cast

Terry O'Quinn at the 2007 Emmy Awards - AP Photo

Emmy Award-winning actor Terry O’Quinn is set to join the cast of “Hawaii Five-0″ in a recurring role for the series’ second season, which premieres in September on CBS, according to a news release.

His character, a Navy Seal Lt. Commander who trained McGarrett (Alex O’Loughlin) in Coronado and served with his father in Vietnam,  will debut in the season’s first episode.

He’s also a man with secrets, possessing some of the answers to the mysteries involving the murder of McGarrett’s parents.

This casting of O’Quinn reunites him with his fellow former “Lost” castmate Daniel Dae Kim, who co-stars on the classic series reboot with O’Loughlin, Scott Caan and Grace Park.

"Ho' ohuli Na' au"--Five-0 (left to right: Grace Park, Daniel Dae Kim, Scott Caan, Alex O’Loughlin) focuses on several key suspects when world-renowned photographer Renny Sinclair is murdered while on assignment in Hawaii shooting the annual swimsuit edition of a top sports magazine, on HAWAII FIVE-0, Monday, May 2 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: MARIO PEREZ/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved