Check out the official trailer for The Professor and the Madman starring Mel Gibson, Sean Penn, Natalie Dormer, Eddie Marsan, Jennifer Ehle, Jeremy Irvine, David O'Hara, Ioan Gruffudd, Stephen Dillane and Steve Coogan!br br Release Date: May 10, 2019br br The Professor and the Madman is a biographical drama film, directed by P.B. Shemran, from a screenplay by Shemran, and Todd Komarnicki, based on the 1998 book The Surgeon of Crowthorne by Simon Winchester. It stars Mel Gibson, Sean Penn, Natalie Dormer, Eddie Marsan, Jennifer Ehle, Jeremy Irvine, David O'Hara, Ioan Gruffudd, Stephen Dillane, and Steve Coogan.