Sean Penn is a good actor and I like his politics but I can't get passed his woman-beating to say I actually like him. I saw a couple of interviews where he's plugging his book and he looks like he's losing his mind the older he gets. He's almost incoherent and seems like he's nursing a bad hangover all the time, which probably isn't too far from the truth.
Shame, he was so cute as Spacoli and he was great in both Milk and Mystic River.