Anthony Hopkins: 'It was hard to play Alfred Hitchcock'
10 December 2012 Last updated at 11:21 GMT
Anthony Hopkins and Helen Mirren attended the premiere of their new film 'Hitchcock'.
The biopic focuses on a time in Alfred Hitchcock's career when he was trying to bring the film 'Psycho' to the big screen.
Helen Mirren stars opposite Hopkins as Hitchcock's wife Alma Reville.
The pair spoke to reporters at the London premiere and discussed what it was like playing such well known characters.
Film clip courtesy of Fox Searchlight.