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
Charles Laughton wound up being cut and replaced with another featuring Dorothy Lamour, and in this form the film was retitled as "On Our Merry Way". However, an original print of "A Miracle Can Happen" was sent abroad for dubbing before the Laughton sequence was deleted, and in this form it was shown in Spain as "Una Encuesta Llamada Milagro". Laughton made his first colour film in Paris as Inspector Maigret in "The Man on the Eiffel Tower" (1949) and, wrote the "Monthly Film Bulletin", "appeared to overact" alongside Boris Karloff as a mad French nobleman in a version of Robert Louis