The Tony Award for Best Performance by a Leading Actor in a Musical is awarded to the actor who was voted as the best actor in a musical play, whether a new production or a revival. The award has been given since 1948, but the nominees who did not win have only been publicly announced since 1956.
Ray Bolger won for Where's Charley? (1949)
Phil Silvers won twice for Top Banana (1952) and A Funny Thing Happened on the Way to the Forum (1972)
Thomas Mitchell won for Hazel Flagg (1953)
Rex Harrison
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Sir Reginald Carey "Rex" Harrison was an English actor. Harrison began his career on the stage in 1924. He made his West End debut in 1936 appearing in the Terence Rattigan play French Without Tears, in what was his breakthrough role. He won his first Tony Award for Best Actor in a Play for his performance as Henry VIII in the Broadway play Anne of the Thousand Days in 1949. He returned to Broadway portraying Professor Henry Higgins in My Fair Lady (1956) where he won the Tony Award for Best Actor in a Musical.
Harrison as Professor Henry Higgins alongside Julie Andrews as Eliza Doolittle in the musical My Fair Lady
Harrison as Julius Caesar in Cleopatra (1963) for which he was nominated for an Academy Award