[1] Der Graf von Cagliostro has its world premiere on 21 December 1920 at Busch-Kino, Vienna.

[1] Der Kinematograph declared the film as "marvelously effective cinema" while the script is "the weakest element in the entire production.

"[4] The review also praised Carl Goetz who "gives the best performance of all" and Conrad Veidt as "very effective in his opulent costumes".

[4] A review in Film-Kurier stated that the film "could have been a masterpiece", blaming Robert Liebmann's script which "didn't expend any extra energy and what he did manage doesn't come close to the demands of this subject.

"[4] The review echoed Der Kinematograph's review stating "Carl Goetz and Conrad Veidt are the only actors whose every gesture is perfect.