Jolson was America's most famous and highest paid entertainer in the 1930s. Jolson sang and acted in the first (full length) talking movie, "The Jazz Singer" in 1927. He starred in many other musical movies in the 1930s. A movie about Jolson's life, "The Jolson Story", won Oscars in 1946. Larry Parks played Jolson, but Jolson sang the songs himself. A sequel, "Jolson Sings Again," was released in 1949, and was nominated for three Oscars. After the attack on Pearl Harbor, Jolson became the first star to entertain troops overseas during World War II. Again in 1950 became the first star to perform for GIs in Korea. He did 42 shows in 16 days.