Lee Smith, ACE (born June 10, 1960), is an Australian film editor who has worked in the film industry since the 1980s. He began his film career as a sound editor before establishing himself as an editor. His breakthrough came when he began collaborating with director Peter Weir. Smith is best known for his work on several of Christopher Nolan's films, including Batman Begins (2005), The Prestige (2006), The Dark Knight (2008), Inception (2010), The Dark Knight Rises (2012), Interstellar (2014) and Dunkirk (2017), for which he won the Academy Award for Best Film Editing.

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