Dan'yelle Williamson (Diva Donna/Mary Gaines), Alex Hairston (Disco Donna), Cameron Anika Hill (u/s Duckling Donna/Mimi), John Gardiner (Neil Bogart/Sommelier/Gunther), Erick Pinnick (Andrew Gaines/Doctor), Steven Grant Douglas (Bruce Sudano), Brooke Lacy (Detective/David Geffen), Kyli Rae (Giorgio Moroder), Mara Lucas (s/w Young Dara/Amanda), De’Ja Simone (Adult Mary Ellen), Jay Garcia (Brian/Helmuth Sommer), Jennifer Wolfe (s/w Pete Bellotte/Don Engel)