Now 67, the San Francisco-based performer and director has exquisite recall of an artistically (if not monetarily) rich life in the theatre: at Minneapolis' Guthrie Theatre under Tyrone Guthrie; at American Conservatory Theater in the early days (when he turned down Ellis Rabb's invitation to join a New York classical troupe that included Nancy Walker, Uta Hagen, Will Geer, and other luminaries, i