National Theatre, E. Street Theatre Corporation, lessee, Edmund Plohn, manager, John C. Wilson presents Clifton Webb in Noel Coward's light comedy "Present Laughter," with Evelyn Varden, Doris Dalton, Marta Linden, setting by Donald Oenslager, costumes for Miss Dalton and Miss Linden designed by Costillo, other costumes supervised by Silvia Saal, staged by Mr. Wilson.