Greer Garson of World War II in "Mrs. Miniver". ("Guinness Book of World Records" credits her with the longest Oscar acceptance speech, at five minutes and 30 seconds, after which the Academy Awards instituted a time limit.) In 1942, Garson also co-starred in the powerful, dramatic film "Random Harvest" with Academy Award winner Ronald Colman. Set at the end of World War I with Ronald Colman as a shell-shocked, amnesiac soldier and Greer Garson as his love interest, "Random Harvest" received seven Academy Award nominations, including Best Picture. It lost to "Mrs. Miniver", and Garson won the Academy Award for that role.
William Wyler and Roosevelt wanted prints rushed to theaters nationwide. The Voice of America radio network broadcast the minister's speech from the film, magazines reprinted it, and it was copied onto leaflets and dropped over German-occupied countries. Churchill sent MGM head Louis B. Mayer a telegram claiming that ""Mrs. Miniver" is propaganda worth 100 battleships." Bosley Crowther wrote in his "New York Times" review that "Mrs. Miniver" was the finest film yet made about the war, "and a most exalting tribute to the British." Between 1942 and 1945 Wyler volunteered to serve as a major in the United States Army Air Forces