Strange Interlude, one of four Eugene O’Neill plays to have won a Pulitzer Prize, is brilliant, magisterial, and provocative. How then, does one actor, David Greenspan, take the complex story of Nina Leeds and the four men in her life, a play that is written in nine acts and spans five hours in the telling, and deliver the highs and the lows, the strange twists of fate, the loves, and the schemes of its characters? Dressed in a dapper three-piece suit, Greenspan is alternately Nina, Charles, Ned and Sam (and three minor characters as well), maintaining an energetic, staccato presence while shifting, sometimes with gunfire rapidity, among these characters. Who would have imagined that this 1928 whale of a play could be acted as a one-man show to riveting effect? Greenspan is extraordinary, and he brings to life an extraordinary play.