F. McGrew Willis
American screenwriter F. McGrew Willis' best-known work was his stage comedy Sis Hopkins (based on a story by Avery Hopwood), which was filmed twice; Mabel Normand starred in the 1920 version, while Judy Canova headlined the 1941 remake. Willis entered films in 1916 as director of Pool of Flame (1916). Thereafter, with the exception of his 1928 directorial assignment Blonde for a Night, he stuck to writing. Many of his scenarios of the silent era were adaptations of popular stage plays, notably Charley's Aunt (1925), The Nervous Wreck (1926), and Getting Gertie's Garter (1927). In 1928, F. McGrew Willis doubled as writer and producer for Annapolis.
~ Hal Erickson, All Movie Guide