Tom Wilkinson received his second Oscar nomination for portraying Arthur Edens in Michael Clayton.
In fact Wilkinson does create a fairly interesting performance as the more than slightly off lawyer. I think there is always an indication that yes he is indeed imbalanced even when he has calmed down, but I would say Wilkinson shows that his big crazy scenes are indeed a bit theatrical on purpose, as stated as before, but that is not to say he is not crazy, he just overdoes it to be taken notice of.
Wilkinson is constantly sort of showboating though with his performance, that constantly does brings attention to himself. Wilkinson is able to do this showboating without going too over the top while still being fairly interesting and entertaining as well. He manages to find a good enough balance between his louder, and quieter scenes to make it so Arthur Edens can be believed.
Tom Wilkinson's performance though is a rather short one really, and his character does not amount to a great deal in the end. He is really crazy, not so crazy, but always the moral center of the film. This is not really Wilkinson's fault since Edens in the end is mostly a plot device. Wilkinson is effective enough with the various phases of the character, but his performance never becomes quite amazing due to the limitations of the character.