The National Sylvan Theatre at the Washington Monument in the nation's capital in cooperation with the Office of National Capitol Parks, Guthrie McClintic presents Judith Anderson in "Medea," freely adapted from the "Medea" by Euripides, by Robinson Jeffers, with Henry Brandon, Hilda Vaughn, Mary Servoss, Bruce Gordon, Frederick Worlock, staged by Mr. McClintic, scenery by Ben Edwards, costumes by Castillo (by arrangement with Whitehead and Rea).