Question: Lucky Star is a 1929 American romantic drama silent film starring which now passed, American film, stage and television actress and painter?
Context: Merely Mary Ann a 1931 pre-Code romantic comedy drama film starring Janet Gaynor and Charles Farrell.  Gaynor and Farrell made almost a dozen films together, including Frank Borzage's classics "Seventh Heaven" (1927), "Street Angel" (1928), and "Lucky Star" (1929); Gaynor won the first Academy Award for Best Actress for the first two and F. W. Murnau's "Sunrise".  The film, involving an orphan (Gaynor) and a flat-broke composer (Farrell), was written by Jules Furthman from Israel Zangwill's play and directed by Henry King. Lucky Star is a 1929 American romantic drama silent film starring Janet Gaynor and Charles Farrell, and directed by Frank Borzage.  The plot involves the impact of World War I upon a farm girl (Gaynor) and a returning soldier (Farrell). Skin Deep is a 1929 American talking film drama directed by Ray Enright and starring Monte Blue.  It was produced and distributed by the Warner Brothers.  It was also released in the U.S. in a silent version for theatres not equipped yet with sound.  The film is a remake of a 1922 Associated First National silent film of the same name directed by Lambert Hillyer and starring Milton Sills. The Kiss is a 1929 American silent drama film from Metro-Goldwyn-Mayer directed by Jacques Feyder and starring Greta Garbo, Conrad Nagel and Lew Ayres in his first feature film.  The film is known for being both MGM's and Greta Garbo's last silent film.  It was also the last such film for Conrad Nagel.  That said, the film did take advantage of the new sound technology, and was released with an orchestral score and sound effects.  It was based on an 1896 film. Desert Nights (also known as Thirst) is a 1929 American silent adventure/romantic drama film starring John Gilbert, Ernest Torrence, and Mary Nolan.  Directed by William Nigh, the film is the last silent film starring John Gilbert. Janet Gaynor (born Laura Augusta Gainor; October 6, 1906 – September 14, 1984) was an American film, stage and television actress and painter. Eternal Love is a 1929 American silent romantic drama film directed by Ernst Lubitsch and starring John Barrymore and Camilla Horn.  Based on the novel "Der Koenig der Bernina" by Jacob Christopher Heer, the film is about two lovers living in the Swiss Alps who struggle to be together and escape their loveless marriages.  "Eternal Love" was the last silent film of both Lubitsch and Barrymore. Lucky Boy is a 1929 American musical drama film starring George Jessel.  The film was mainly a silent film, with synchronized music and sound effects, as well as some talking sequences. Show Boat is a 1929 American romantic drama film based on the novel "Show Boat" by Edna Ferber.  It is not, as has been often claimed, based on the Kern-Hammerstein stage musical, although the film does have songs.  This version was released by Universal in two editions, one a silent film for movie theatres still not equipped for sound, and one a part-talkie with a sound prologue. Weary River is a 1929 American romantic drama film directed by Frank Lloyd and starring Richard Barthelmess, Betty Compson, and William Holden.  Produced and distributed by First National Pictures, the film is a part-talkie, part-silent hybrid made at the changeover from silent movies to sound movies.  Based on a story by Courtney Riley Cooper, the film is about a gangster who goes to prison and finds salvation through music while serving his time.  After he is released and falls back into a life of temptation, he is saved by the love of a woman and the warden who befriended him.  The film received an Academy Award nomination for Best Director in 1930.
Answer: Janet Gaynor