Charlie Chaplin filmmaking methods, claiming such a thing would be tantamount to a magician spoiling his own illusion. Little was known about his working process throughout his lifetime, but research from film historians – particularly the findings of Kevin Brownlow and David Gill that were presented in the three-part documentary "Unknown Chaplin" (1983) – has since revealed his unique working method. Until he began making spoken dialogue films with "The Great Dictator", Chaplin never shot from a completed script. Many of his early films began with only a vague premise – for example "Charlie enters a health spa" or "Charlie works in
Charlie Chaplin lash out at his actors and crew. Chaplin exercised complete control over his pictures, to the extent that he would act out the other roles for his cast, expecting them to imitate him exactly. He personally edited all of his films, trawling through the large amounts of footage to create the exact picture he wanted. As a result of his complete independence, he was identified by the film historian Andrew Sarris as one of the first auteur filmmakers. Chaplin did receive help, notably from his long-time cinematographer Roland Totheroh, brother Sydney Chaplin, and various assistant directors such as Harry Crocker