Alex Gibney, Errol Morris and Four More Filmmakers on the Art of Making Documentaries

Errol Morris (The Unknown Known), Lucy Walker (The Crash Reel), Alex Gibney (The Armstrong Lie, We Steal Secrets: The Story of Wikileaks), Morgan Neville (20 Feet From Stardom), Teller (Tim's Vermeer), James Toback (Seduced and Abandoned) join THR's film editor Gregg Kilday to discuss their award-worthy films.