PlayMakers Repertory Company begins a run this weekend of Alice Childress’ 1955 play, “Trouble in Mind,” a serio-comic story about the rehearsal of a racially integrated play that challenges the African-American actors because of their roles’ stereotypes. The lead actress must decide between a desirable part and her principles. Paul Green Theatre, UNC-Chapel Hill. 7:30 p.m. Friday-Saturday; 2 p.m. Sunday (through Feb. 8). $15-$42. 919-962-7529 or playmakersrep.org.