How To Write A Movie Reaction Paper . Reaction paper on the film “a beautiful mind”. Don’t forget to provide all details about the author, title and main characters. Reaction Paper Rizal from www.scribd.com Such a plan will help you keep keeping all thoughts in one place. The introduction should be around 1/3 of the page. It was evident in the film that he has an outstanding talent and showed it by performing at a remarkably high level of accomplishment.