Professor James Murray begins work compiling words for the first edition of the Oxford English Dictionary in the mid 19th century, and receives over 10,000 entries from a patient at Broadmoor Criminal Lunatic Asylum, Dr. William Minor.
Mel Gibson
as James Murray
Sean Penn
as Dr. William Chester Minor
Eddie Marsan
as Muncie
Natalie Dormer
as Eliza Merrett
Ioan Gruffudd
as Henry Bradley
Steve Coogan
as Frederick James Furnivall
Jeremy Irvine
as Charles Hall
Brendan Patricks
as Winston Churchill
Adam Fergus
as Alfred Minor
Jennifer Ehle
as Ada Murray
Brian Fortune
as Head Board Member
Aidan McArdle
as Defence Attorney Clarke