Costa Ronin

Konstantin "Costa" Ronin (; born 3 February 1979) is a Russian-born Australian actor and cinematographer, best known for appearances in Red Dog, as Gregorovich on the SBS drama East West 101, as Oleg Igorevich Burov in the FX drama The Americans and as Yevgeny Gromov on Homeland.

Early life and education Ronin was born in Kaliningrad, Russian SFSR, Soviet Union (now Russia). He spent the first 17 years of his life in Russia. In his youth, he moved to Wellington, New Zealand with his mother and studied international relations and political science at Victoria University, before moving to Perth, Australia for further tertiary education

At age 15, Ronin commenced working and learned about American culture at a radio station that taught English through music. having previously lived in Los Angeles, Surry Hills and Sydney. He recently welcomed his first daughter with wife Leah in April 2026. 2015 Agent X Misha Voronsky TV series (Episode: "Fidelity") 2016 Gotham Luka Volk TV series (Episodes: "Mad City: The Executioner ," "Mad City: Time Bomb") 2016 The Strain Alexei Boiko TV series (Episode: "Collaborators") 2017 Shooter Russian ambassador TV series (Episode: "Primer Contact") 20182020 Homeland Yevgeny Gromov TV series (Season 7: Recurring; Season 8: Main) 2018 Splitting Up Together Vlad TV series (Episode: "We Need to Talk About Karen") 2019 Once Upon a Time in Hollywood Wojciech Frykowski 2022 The Endgame Sergey Vodianov Series regular 2023 Obliterated Ivan Koslov TV Series (5 episodes) 2023 ISS Nicholai Feature film 2025 The Morning Show Dimitri Ivanov TV series (Episode: "Un Bel Di") 2026 For All Mankind Leonid Polivanov TV series (Season 5)