[1] Kirill Zaytsev was born in Volgograd, Russian SFSR, Soviet Union (now Russia).

[3] In 2018, he played the main role of American John Mackenzie, who comes to the Investigative Committee of Russia for the exchange of experience, - in the Channel One television series Cop by Radda Novikova.

In 2021, Kirill Zaitsev acted in the premiere of the solo play My Lermontov staged by director Elena Chernaya.

The script of the performance was written based on the poems, prose and letters of Mikhail Lermontov.

His partner in the project was the Russian world champion figure skater Oksana Domnina.