20030510 Chicago: LE PASSAGE Hosts 30th Anniversary Celebration of The Piven Theatre Workshop .L to R: Ann Cusack,sister of John Jeremy Piven and his mother Joyce Piven along with actor John Cusack and his sister Ann Cusack participated in the event.Established in 1973 by Byrne and Joyce Piven,once declared "Chicago's First Family of Acting" by Stagebill,the Workshop has cultivated the talents of some of the nation's top actors:Joan John and Ann Cusack;Aidan Quinn,Lili Taylor,Rosanna Arquette,Hope Davis,director Eric Simonson and the Piven's own children,Jeremy and Shira.