In this ET Then & Now exclusive, one-time lawyer, political advisor and real-life professor Ben Stein reveals secrets behind his iconic, oft-quoted ‘Ferris Bueller’s Day Off’ classroom scene. Stein, who is now 80, reflects on his unexpected career in Hollywood, which also includes appearances in classics like ‘Planes, Trains and Automobiles,’ ‘The Mask,’ and his long-running commercials.
