Burger, Mark. (March 19, 2006). "Beatty Given Master of Cinema Award; Character Actor Is a Veteran of More than 200 Film and Television ProductionsArchived March 23, 2009, at the Wayback Machine", Winston-Salem Journal, Page B1 "Regarding his debut film, Deliverance (1972), in which his character undergoes an unforgettably vivid sexual assault, Beatty said: 'The whole "squeal like a pig" thing ... came from guess who.' As the audience laughed, he theatrically put his head in his hands and silently pointed to himself, before elaborating how director Boorman encouraged him to improvise the scene with his onscreen tormentor, Bill McKinney."
Burger, Mark. (March 19, 2006). "Beatty Given Master of Cinema Award; Character Actor Is a Veteran of More than 200 Film and Television ProductionsArchived March 23, 2009, at the Wayback Machine", Winston-Salem Journal, Page B1 "Regarding his debut film, Deliverance (1972), in which his character undergoes an unforgettably vivid sexual assault, Beatty said: 'The whole "squeal like a pig" thing ... came from guess who.' As the audience laughed, he theatrically put his head in his hands and silently pointed to himself, before elaborating how director Boorman encouraged him to improvise the scene with his onscreen tormentor, Bill McKinney."
