Bud Cort, whose performance as a troubled young man who finds unexpected love with a 79-year-old free spirit in “Harold and Maude” helped turn the 1971 film into an enduring cult classic, died Wednesday morning in Norwalk, Conn., after a long illness. He was 77. His death was confirmed by Cort’s longtime friend Dorian Hannaway, who first met the actor in 1978. Born Walter Edward Cox on March 29, 1948, in Rye, N.Y., Cort adopted his professional name early in his career, having fallen in love with the theater. After earning small roles on a few TV series, he was...