Kuznetsov felt creatively limited in Sevastopol and moved first to Kyiv and then Moscow to pursue his education.

In 2015, he graduated from the Russian Institute of Theatre Arts – GITIS and was invited to join several leading Moscow theaters.

He chose the Chekhov Moscow Art Theatre where he started as a leading actor the same year.

He also directed and starred in his own production, "The Gamblers (IGQKI)" at the Na Strastnom Theatrical Center (2015).

[10] In 2022, Kuznetsov plays the role of Helmut in Fantastic Beasts: The Secrets of Dumbledore directed by David Yates and produced by Steve Kloves.