Which character does Alex O'Loughlin play in "Hawaii Five-O"?
Steve McGarrett Steve McGarrett is a fictional character from "Hawaii Five-O" who serves as the leader of the Hawaii Five-0 (5−0) crime task force. McGarrett was originally played by Jack Lord and also by Alex O'Loughlin in the remake. He is partner to Detective Danny "Danno" Williams.
Andrew Keegan Andrew Keegan (born January 29, 1979) is an American actor best known for his roles in television shows including "Party of Five" and "7th Heaven" and in films such as "10 Things I Hate about You", "The Broken Hearts Club" (2000) and "O" (2001).