“In rehearsals, we put all our time into making the stuttering authentic,” Cleary said. They studied tapes and came up with rules for the sounds Greenwood would get caught on. “We knew it had to be quite severe, for him to be quite isolated, to suit the story.” The character is so isolated, with such a haunted look in his eyes, that I wondered at times if real-life stutterers might feel patronized. I asked Cleary how stutterers have reacted. “We’ve had a really positive response,” he said. “When you make something like this, you’re nervous, and you want to make sure you do it in a very sensitive way.” And you want it to reflect true experience.
Read more at the Source: An Oscar-Winning Short Film About Stuttering and Love – The New Yorker