We have "evidence" that Anthony Hopkins played Gwyneth Paltrow's dad in this film of a Pulitzer prize-winning play
[DOC] [TLE] Proof (2005 film) - Wikiquote [PAR] Proof is a 2005 film about Catherine, a mathematician who allows Hal, a PhD 
student, to go through her recently deceased father's papers, a Field Medal 
winner who had ....