“A madman can be redeemed.”

Who is Mel Gibson speaking of, here?

He and Sean Penn are the leads in this all-star cast account of the creation of the Oxford English Dictionary, compiled by James Murray (Gibson) and Dr. William Chester Minor (Penn), confined to an asylum at the time.

Jennifer Ehle, Natalie Dormer, Steve Coogan and Ioan Gruffudd also don Dickensian attire for this mid to late 19th century story, “The Professor and the Madman” (John Boorman was the original credited screenwriter). It has no US release date, yet.