The Vow

Mikheil Gelovani Josef Stalin

Sofiya Giatsintova Varvara Mikhaylovna Petrova

Nikolai Bogolyubov Aleksandr Petrov / Stepan Petrov

Nikolai Plotnikov Uncle Vanya Yermilov

Svetlana Bogolyubova Olga Petrovna

Georgi Sagaradze Georgi, Olga's lover

Pavel Ismatov Yusuf Tugunbayev

Vladimir Solovyov Simon Rusayev

Sergei Blinnikov Baklan, a friend

Tamara Makarova Xenia Petrova

Z. Zakharchenko Petka, the boy

Ilya Nabatov French Minister Georges Bonnet

Vladimir Balashov Anatol Lipsky, saboteur

Aleksandr Khvylia Semyen Budyonny

Aleksei Gribov Kliment Voroshilov

Roman Yuryev Andrei Zhdanov

Grigori Belinnkevich Sergei Kirov

Vasili Merkuryev Gen. Nikolai Voronov

Maksim Shtraukh Rogers, American journalist

Nikolai Chaplygin Johnson, British Journalist