Richard Fleeshman and Jenna Russell star in the soon-to-open St. James Theatre production.
Lippa's guests will also include Willemijn Verkaik and Carrie Hope Fletcher.
The hit West End revival comes stateside via Digital Theatre, CinemaLive, and Fathom Events.
Catch Sondheim and Furth's tale of friendships across America — at cinemas from coast to coast.
The New York cinema is now selling additional tickets to the nearly sold-out, one-night-only event.