Mary Elizabeth Ellis

Mary Elizabeth Ellis is an American actress who was born in Laurel, Mississippi, and graduated from Southern Methodist University in 2001. She has been known since 2005 for playing The Waitress on the comedy series It's Always Sunny in Philadelphia. Her recurring television roles include Caroline on New Girl from 2011 to 2018 and Lisa Palmer on Santa Clarita Diet from 2017 to 2019. She starred as Amy on Perfect Couples from 2010 to 2011 and as Debbie Sanderson on The Grinder from 2015 to 2016. She co-wrote and played Olive in A Quiet Little Marriage (2008). Her film work includes Godmothered (2020) and Licorice Pizza (2021), where she played Anita. She has also appeared in series such as Reno 911!, House M.D., and Without a Trace. She helped write and appeared in the stage production Mother May I Dance with Mary Jane's Fist?: A Lifetime Original Play, which was adapted for Adult Swim in 2018.