Here's a notable cast announcement: Margo Martindale has joined FX's period drama (if you call being set in the '80s a "period") "The Americans." She was, of course, Mags Bennett in "Justified" -- one ...

Margo Martindale (born July 18, 1951) is an American film, stage, and television actress. In 2011, she won an Emmy Award for her role as Mags Bennett on Justified. She has played supporting roles in ...