Sir Derwent Hall Caine, 1st Baronet was a British actor, publisher and Labour then National Labour politician.

Sir Thomas Henry Hall Caine, usually known as Hall Caine, was a British novelist, dramatist, short story writer, poet and critic of the late nineteenth and early twentieth century. Caine's popularity during his lifetime was unprecedented. He wrote fifteen novels on subjects of adultery, divorce, domestic violence, illegitimacy, infanticide, religious bigotry and women's rights, became an international literary celebrity, and sold a total of ten million books. Caine was the most highly paid novelist of his day. The Eternal City is the first novel to have sold over a million copies worldwide. In addition to his books, Caine is the author of more than a dozen plays and was one of the most commercially successful dramatists of his time; many were West End and Broadway productions. Caine adapted seven of his novels for the stage. He collaborated with leading actors and managers, including Wilson Barrett, Viola Allen, Herbert Beerbohm Tree, Louis Napoleon Parker, Mrs Patrick Campbell, George Alexander, and Arthur Collins. Most of Caine's novels were adapted into silent black and white films. A. E. Coleby's 1923 18,454 feet, nineteen-reel film The Prodigal Son became the longest commercially made British film. Alfred Hitchcock's 1929 film The Manxman, is Hitchcock's last silent film.