Featured Actor in a Play for Say, Darling. In 1959 he received his second Tony nomination, for Best Performance by a Leading Actor in a Musical for his performance in Take Me Along. What was considered the final step toward full stardom was his performance as J. Pierrepont Finch in the Pulitzer Prize-winning How to Succeed in Business Without Really Trying. It won him the Tony Award for Best Performance by a Leading Actor in a Musical in 1962, and although he was not named on the award, he contributed to the Grammy Award-winning cast album. He also starred in the 1967 movie version. In 1964, Morse co-starred in the comedy film Quick, Before It Melts. In 1965, Morse appeared in the black comedy film The Loved One, a movie based on the Evelyn Waugh novel of the same name which satirized the funeral business in Los Angeles, in particular Forest Lawn Cemetery. In 1967, he co-starred in Gene Kelly's A Guide for the Married Man, opposite Walter Matthau. In 1968, he appeared in the comedy Where Were You When the Lights Went Out? opposite Doris Day. In the same year, he appeared in the 1968 television series That's Life, which attempted to blend the musical genre with a situation comedy centered on newlyweds "Robert" and "Gloria" (played by E. J. Peaker). In 1968, he guest-starred on The Smothers Brothers Comedy Hour. In 1987, Morse also appeared in the movie The Emperor's New Clothes, which starred Sid Caesar and was part of the Cannon Movie Tales series. Morse was in the original Broadway cast of Sugar, a 1972 musical stage adaptation of Some Like It Hot, for which he was nominated for another Tony. He won a Tony for Best Performance by a Leading Actor in a Play and the Drama Desk Award for Outstanding One-Person Show for his portrayal of Truman Capote in Tru (1989). He starred in the 1976 musical So Long, 174th Street, which was based on the play Enter Laughing. The play received poor reviews and closed quickly. It was his last Broadway role for more than a decade. In 1992, he recreated his performance for the PBS series American Playhouse and won the Emmy Award as Best Actor in a Miniseries or Special. In 1999, Morse was inducted into the American Theater Hall of Fame for his long career as a stage actor. In 2002,