In 2014, Nash played Richie Jean Jackson, the wife of Dr. Sullivan Jackson, in the historical drama film "Selma", directed by Ava DuVernay. "Selma" received acclaim from critics; on Rotten Tomatoes, the film holds a rating of 99%, based on 205 reviews, with an average rating of 8.7/10. "Selma" was listed on many critics' top ten lists. Also that year, Nash joined the cast of Fox comedy series, "The Mindy Project" in a recurring role as Dr. Jean Fishman, a rival of the title character.