Tracy S. Letts (born July 4, 1965) is an American actor, playwright and screenwriter. He received the 2008 Pulitzer Prize for Drama for his play August: Osage County and a Tony Award for his portrayal of George in the revival of Who's Afraid of Virginia Woolf? (2013).He is also known for his portrayal of Andrew Lockhart in seasons 3 and 4 of Showtime's Homeland, for which he has been nominated for two Screen Actors Guild Awards as a member of the ensemble. He currently portrays Nick on the HBO comedy Divorce. In 2017, Letts starred in three critically acclaimed films: The Lovers, Lady Bird and The Post. The latter two films were nominated for the Academy Award for Best Picture; Lady Bird garnered Letts a Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture nomination.
Letts wrote the screenplays of three films adapted from his own plays: Bug and Killer Joe, both directed by William Friedkin, and August: Osage County, directed by John Wells. His 2009 play Superior Donuts was adapted into a television series of the same name. His first screenplay not to be adapted from his own work, The Woman in the Window, based on the eponymous novel by A. J. Finn is scheduled to be released in 2019.