Bill Krohn: Bill Krohn. Director: It's All True: Based on an Unfinished Film by Orson Welles. The American author and critic Bill Krohn has been the Hollywood correspondent for the french influential movie magazine 'Cahiers du Cinéma' since 1978. Bill Krohn is a prominent specialist in the films of Orson Welles and Stanley Kubrick. He is also the author of 'Hitchcock au travail' (1999), available in an English translation as 'Hitchcock at...