Among his students were Lee Strasberg, Stella Adler and Harold Clurman, who were all founding members of the Group Theatre (1931–1940), the first American acting ensemble to utilize Stanislavski's techniques.
Harold Pinter | Harold Wilson | Harold Macmillan | Harold Bloom | Harold Godwinson | Harold Lloyd | Harold Stassen | Harold Prince | J. Harold Ellens | Harold Holt | Sir Harold Hillier Gardens | Harold Washington | Harold Hitz Burton | Harold Alexander, 1st Earl Alexander of Tunis | Harold Peto | Harold & Kumar Go to White Castle | Harold Arlen | Harold | Harold Budd | Harold Eugene Edgerton | Harold Bauer | Harold von Schmidt | Harold Robbins | Harold Laski | Harold Gould | Harold Gillies | Harold Bradley | Harold Alexander | Harold Acton | Harold Scott MacDonald Coxeter |
Original director Harold Clurman and most of the cast, including Barbara Harris and Hal Holbrook, were replaced, and the playwright rewrote most of what was material possibly better suited for Neil Simon than the man responsible for dramatic classics like Death of a Salesman.