High Quality Content by WIKIPEDIA articles! Henry F. Potter (commonly referred to as "Mr. Potter" or just "Potter") is a fictional character and the main antagonist in the 1946 Frank Capra film It`s a Wonderful Life. He occupies slot #6 on the American Film Institute`s list of the 50 Greatest Villains in American film history (in its 2003 list entitled AFI`s 100 Years... 100 Heroes and Villains). Mr. Potter was portrayed by veteran actor Lionel Barrymore.