When you watch as much television as I do, you see familiar faces all the time, and then you have to ask yourself (or IMDb), “Where have I seen him/her before?” For example, I’m watching the first season of House, and I’ve recognized guest stars from elsewhere in thirteen of the first fifteen episodes. And then there are actors like Michelle Forbes and Željko Ivanek who show up on many of my favorite series. The phenomenon came to a head recently when I saw both of them on the same episode of True Blood. Pictured above is Forbes in the roles she’s played in some of my favorite shows. From left to right: presidential advisor Lynne Kresge on 24, Oceanic Airlines representative Karen Decker on Lost, tough-as-nails admiral Helena Cain on Battlestar Galactica, beleaguered wife Kate on In Treatment, “social worker”/maenad Maryann Forrester on True...