 He alternated appearances in London and New York in such plays as "Bell, Book and Candle" (1950), "Venus Observed", "The Cocktail Party", "The Kingfisher" and "The Love of Four Colonels", which he also directed.He won his first Tony Award for his appearance at the Shubert Theatre as Henry VIII in Maxwell Anderson's play "Anne of the Thousand Days" and international superstardom (and a second Tony) for his portrayal of Henry Higgins in the musical "My Fair Lady", where he appeared opposite Julie Andrews.Later appearances included Pirandello's "Henry IV", a 1984 appearance at the Haymarket Theatre with Claudette Colbert in Frederick Lonsdale's "Aren't We All?