The Dove (1927) is an American silent film directed by Roland West and starring Norma Talmadge, Noah Beery, and Gilbert Roland, and based on a 1925 Broadway play by Willard Mack.
Nanette of the Wilds is a 1916 American drama silent film directed by Joseph Kaufman and written by Willard Mack.
 The film stars Pauline Frederick, Willard Mack, Macey Harlam, Charles Brandt, Frank Joyner and Daniel Pennell.
 The film was released on November 26, 1916, by Paramount Pictures.
The Noose is a play written by Willard Mack.
 It was later adapted as the film "The Noose".
Tiger Rose is a 1929 American Pre-Code early sound adventure film produced and distributed by Warner Bros. It was directed by George Fitzmaurice and is based on a 1917 play, "Tiger Rose", by Willard Mack.
 This film is a remake of a 1923 Warner Bros. silent that starred Lenore Ulric, who also starred on Broadway in Mack's play.
 Among the cast members in this film are Monte Blue, Lupe Velez and Rin Tin Tin.
The Lost Bridegroom a 1916 silent comedy film produced by Adolph Zukor starring John Barrymore.
 Appearing alongside Barrymore in this film is his first wife Katherine Corri Harris.
 The short story titled "The Man Who Was Lost" was by Willard Mack with James Kirkwood as director.
 The film had an alternative title "His Lost Self" and was rereleased by Paramount on April 17, 1919 as part of their "Success Series", a celebration of some of the company's early screen triumphs.
 Though it obviously still existed by 1919, it is a lost silent film today.
Lewis Gilbert, {'1': ", '2': ", '3': ", '4': "} (born 6 March 1920) is a British film director, producer and screenwriter, who has directed more than 40 films during six decades; among them such varied titles as "Reach for the Sky" (1956), "Sink the Bismarck!
" (1960), "Alfie" (1966), "Educating Rita" (1983) and "Shirley Valentine" (1989), as well as three James Bond films: "You Only Live Twice" (1967), "The Spy Who Loved Me" (1977) and "Moonraker" (1979).
"(for non-related playwright and fellow actor Willard Mack, see Willard Mack)"
The Corner is a lost 1916 film western written by C. Gardner Sullivan and starring George Fawcett and Willard Mack.
The Noose is a silent film adaptation of the Willard Mack play "The Noose", which was released in 1928.
 It stars Richard Barthelmess, Montagu Love, Robert Emmett O'Connor and Thelma Todd.
 The movie was adapted by Garrett Graham and James T. O'Donohoe from the play.
 It was directed by John Francis Dillon and Richard Barthelmess's performance was nominated for the Academy Award for Best Actor.
"(for fellow actor also born 1873, but not a relative, see Wilbur Mack)"

Question: Who has the highest scope of work in Willard Mack or Lewis Gilbert
Answer: Lewis Gilbert