Boris Karloff made a contribution to film.
Boris Karloff . He portrayed Frankenstein 's monster in Frankenstein ( 1931 ) , Bride of Frankenstein ( 1935 ) , and Son of Frankenstein ( 1939 ) , which resulted in his immense popularity . He also appeared as Imhotep in The Mummy ( 1932 ) . For his contribution to film and television , Boris Karloff was awarded two stars on the Hollywood Walk of Fame .