Harry Allen (actor) film role was in the 1923 silent film, "The Last Moment", in a supporting role. In his career Allen appeared in over 100 films, mostly in supporting and smaller roles. Some of the more notable films he appeared in include: "Of Human Bondage" (1934), starring Bette Davis and Leslie Howard; the Marx Brothers' classic, "A Night at the Opera"; the original "Mutiny on the Bounty" (1935), starring Charles Laughton and Clark Gable; William Wyler's 1942 Academy Award-winning film, "Mrs. Miniver", starring Greer Garson, Walter Pidgeon, and Teresa Wright; "Jane Eyre" (1944), starring Orson Welles and Joan Fontaine; the Mickey Rooney
Clark Gable of this reached MGM, studio executives began to badger the Army Air Forces to reassign its most valuable screen actor to noncombat duty. In November 1943, Gable returned to the United States to edit his film, only to find that the personnel shortage of aerial gunners had already been rectified. He was allowed to complete the film anyway, joining the First Motion Picture Unit in Hollywood. In May 1944, Gable was promoted to major. He hoped for another combat assignment, but when the invasion of Normandy came and went in June without any further orders, Gable was relieved from active