Looks like.... UK Comedian Charlie Brooker
....Maybe its just me :P
I was watching Lincoln and I was thinking, surely they didn't cast Brooker for this movie lol.
Image of Harris from IMDB:
http://www.imdb.com/media/rm3991910144/nm0364813
Image of Brooker from the IMDB/ web:
http://www.thehouseofcurves.com/wp-content/uploads/charlie-brooker.jpg
http://www.imdb.com/media/rm4093423616/nm0111765
In part, its probably because of the beard, however, there are uncanny similar features.