In the 1930s, he directed such classic suspense films as The Man Who Knew Too Much (1934) and The 39 Steps (1935).
In 1925, Hitchcock directed his first film and began making the "thrillers" for which he became known the world over. His 1929 film Blackmail is said to be the first British "talkie." In the 1930s, he directed such classic suspense films as The Man Who Knew Too Much (1934) and The 39 Steps (1935).