The recent Williamstown Theatre Festival production starred Chita Rivera and Roger Rees.
O'Hurley reprises his performance as silver-tongued lawyer Billy Flynn.
Miller and Tysen are the authors of the musicals Tuck Everlasting and The Burnt Part Boys.
The musical also welcomed a host of other alums to mark the milestone occasion.
Bebe Neuwirth, James Naughton, Joel Grey, and Ann Reinking will celebrate by making cameos in tonight's show.
What do the likes of Sofia Vergara and Usher have in common?
Furstenberg replaces original cast member Gayle Rankin.
Barry Kleinbort directs the new cabaret performance at the Metropolitan Room.
Spanger made her Broadway debut in the role in 2002.