 His first starring role was in the romantic comedy "Storm in a Teacup" (1937), opposite Vivien Leigh.Other notable early films include "The Citadel" (1938), "Night Train to Munich" (1940), "Major Barbara" (1941)—filmed in London during The Blitz of 1940, a role for which he received critical acclaim, "Blithe Spirit" (1945), "Anna and the King of Siam" (1946), "The Ghost and Mrs. Muir" (1947), and "The Foxes of Harrow" (1947).He is best known for his portrayal of Professor Henry Higgins in the 1964 film version of "My Fair Lady", based on the 1956 Broadway production (which in turn was based on George Bernard Shaw's 1913 play "Pygmalion"), for which Harrison won an Oscar for Best Actor.