Matthew Perry, who has a recurring role on this series, returns tonight, in an episode that also features other guest stars, including John Noble, late of Fringe. Perry’s character has risen through the ranks to play the most prominent political opponent for Peter (Chris Noth), whose estranged wife (well, not so estranged at all, these days), Alicia, is this series’ central role, played so well by Julianna Margulies.