cast(s): Maddie Baillio , Dove Cameron , Kristin Chenoweth , Garrett Clayton , Ariana Grande , Harvey Fierstein , Derek Hough , Jennifer Hudson , Martin Short , Ephraim Sykes , Paul Vogt , Shahadi Wright Joseph , Billy Eichner , Sean Hayes , Andrea Martin , Rosie O'Donnell , Ricki Lake , Marissa Jaret Winokur , Joshua Alexander , Will B. Bell , Helene Britany , Riley Costello , Kelli Erdmann , Sam Faulkner , Marissa Heart , Joanna Jones , Jacque LeWarne , Kamilah Marshall , Tiana Okoye , Amos Oliver III , Re'Sean Pates ,