 It then opened Off-Broadway on June 27, 1970, at the Astor Place Theatre, and closed on September 19, 1971 after 509 performances.The cast featured R. A. Dow, Paul Matthew Eckhart, and Ellen Gurin.It subsequently toured and was then staged at the Duchess Theatre in London's West End in May 1971, where it ran to March 1973 for nearly 800 performances.