Born in Mississippi, Mary is an actress and writer who also happens to be married to Charlie Day, who plays her stalker, Charlie Kelly, on Sunny. Their son, Russell Wallace Day, was born December 15, 2011.
Mary has acted in a handful of TV shows and films, including the short film she wrote, A Quiet Little Marriage. She was also a lead character on the short-lived NBC sitcom Perfect Couples.
- Reno 911! (2004 episode) -- Inbred Twin
- House M.D. (2006 episode) -- Sophie
- A Quiet Little Marriage (2008) -- Olive -- Wrote
- Perfect Couples (2010 TV Series) -- Amy
- New Girl (2011 to present TV Series) -- Caroline
- Brooklyn Nine-Nine (2013 episode) -- Dr. Rossi
- Comedy Bang! Bang! (2014 episode) -- Network Executive
- Santa Clarita Diet (2017-2019) -- Lisa Palmer