British actors perform Eugene O'Neill's family drama A Long Day's Journey Into Night in a made-for-television performance. This filmed play was originally broadcast on March 10, 1973. For his portrayal of aging actor James Tyrone, Laurence Olivier won an Emmy for Outstanding Single Performance by a Lead Actor. Constance Cummings plays his morphine-addicted wife, Mary; Denis Quilley plays his alcoholic son, Jamie; and Ronald Pickup plays the ill writer Edmund.