David Joseph Manners (born Rauff de Ryther Duan Acklom; April 30, 1900 – December 23, 1998) was a Canadian-American actor who played John Harker in Tod Browning's 1931 horror classic Dracula, which starred Bela Lugosi in the title role. The following year, Manners portrayed the archaeologist Frank Whemple in The Mummy (1932), another pre-Code thriller by Universal Pictures. (Via Wikipedia)