![Sean Penn spotted with wild hair and ragged beard on set of The Professor and the Madman in Dublin - Irish Mirror Online Sean Penn spotted with wild hair and ragged beard on set of The Professor and the Madman in Dublin - Irish Mirror Online](https://i2-prod.irishmirror.ie/incoming/article9215414.ece/ALTERNATES/s615b/DARDIS-SEAN-PENN-1.jpg)
Sean Penn spotted with wild hair and ragged beard on set of The Professor and the Madman in Dublin - Irish Mirror Online
![UPROXX on Twitter: "Sean Penn and Mel Gibson have a beard-off competition in 'The Professor And The Madman' trailer https://t.co/p2Fe4uLZoQ https://t.co/Cmv9IZOiFI" / Twitter UPROXX on Twitter: "Sean Penn and Mel Gibson have a beard-off competition in 'The Professor And The Madman' trailer https://t.co/p2Fe4uLZoQ https://t.co/Cmv9IZOiFI" / Twitter](https://pbs.twimg.com/media/D1d1LjXWkAEpsuN.jpg)
UPROXX on Twitter: "Sean Penn and Mel Gibson have a beard-off competition in 'The Professor And The Madman' trailer https://t.co/p2Fe4uLZoQ https://t.co/Cmv9IZOiFI" / Twitter
![The Professor and the Madman' movie review: Sean Penn is compelling in drama about the real-life story of how the Oxford English Dictionary was made - YP | South China Morning Post The Professor and the Madman' movie review: Sean Penn is compelling in drama about the real-life story of how the Oxford English Dictionary was made - YP | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/styles/portrait/public/d8/yp/images/0a019b62-7d39-11e9-8126-9d0e63452fe9imagehires130446.jpg?itok=TwWvTjLg)