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.
Mac McDonald Mac McDonald (born Terence McDonald; 18 June 1949) is an American actor. He is known for playing Captain Hollister on the BBC TV series "Red Dwarf" and frequently plays American characters in other British TV shows. He has also had many movie roles in films such as "Aliens", "Batman" and "The Fifth Element", all of which were filmed in London.