Fryderyk Jarossy
— Count Cagliostro
M. Rutkovskaya
— Lorenza
B. Dzenayevich
— Leonardo, Lorenza's fiancé
Olga Tschechowa
— Lyutsina Rothenshtein
Nicolas Rimsky
— Prince Heinrich Rothenstein
Арсений Бибиков
— Altotasa the alchemist
G. Targonskiy
— Cagliostro's servant
Kozlovskaya
— Elza