 Ned Beatty said he thought of it while he and actor McKinney (who played Beatty's rapist) were improvising the scene.James Dickey's son, Christopher Dickey, wrote in his memoir about the film production, "Summer of Deliverance", that because Boorman had rewritten so much dialogue for the scene one of the crewmen suggested that Beatty's character should just "squeal like a pig".Boorman himself, however, in a DVD commentary he made for the film said the line was used because the studio wanted the male rape scene to be filmed in two ways