Denis O’Hare has been one of my favorite character actors since I saw him play Charles Guiteau, who shot and killed President James A. Garfield, in Stephen Sondheim’s Broadway musical Assassins. He also played the Vampire King of Louisiana in HBO’s True Blood, and has been featured in different incarnations of FX’s American Horror Story, usually suffering disfiguring tragedies in each. And tonight on Rake, he plays the latest client of Greg Kinnear’s Keegan Deane – a man accused of killing a man he met online. And, after that, eating him.