Studio Tenn Talks: Conversations with Patrick Cassidy series. The original Off-Broadway cast of Assassins. Martha Swope / The New York Public Library The original cast and creative team of the 1991 Off-Broadway debut of Stephen Sondheim and John Weidmanâs Tony-winning Assassins reunite virtually March 8 at 8 PM ET to celebrate the musical's 30th anniversary. The free online event is part of the Studio Tenn Talks: Conversations with Patrick Cassidy series and features Studio Tenn Artistic Director Cassidy as well as other original cast members Victor Garber, Greg Germann, Annie Golden, Lyn Greene, Jonathan Hadary, Eddie Korbich, Terrence Mann, Debra Monk, William Parry, and Lee Wilkof plus Sondheim and Weidman, director Jerry Zaks, musical director Paul Gemignani, and orchestrator Michael Starobin.