Gavin MacLeod, a sitcom veteran actor best known for his role as an ever-smiling cruise ship captain on the 1970s-80s show “The Love Boat,” has died at 90. MacLeod made his television debut at the age of 26 on ‘The Walter Winchell File’ but his career began in films in 1957, he played many different roles such as seaman Happy Haines on McHale's Navy, Murray on The Mary Tyler Moore Show. He was an actor and author whose career spanned six decades. Macleod was little known to the public and used to play small roles on ABC hit “McHale’s Navy” starring Ernest Borgnine. The actor’s prolific career roles took an unexpected turn in the 1970s and 80s when he landed the role of a wisecracking television news writer on the “Mary Tyler Moore Show,” appearing in every one of the classic comedy’s 168 episodes during its 1970-77 run on CBS. His show “Mary Tyler Moore was a smash hit, it lasted seven seasons and is considered to be a classic of the American sitcom genre. After that, MacLeod served as the lead character in the show “The Love Boat” sitcom. The show lasted for ten years on ABC. It was an hour-long comedy, where he played the role of ‘Stubing’ and added three more golden globe nominations for the best actor.