Ян Янакиев

Head of the Post Office

Kapustin

Theorist Nikolay

(voice)

Гавриил Федосеевич Попков

Филл

Буренин

Syroyezhkin

Count de Berlaymont

translator in the movie

Dolmann

Larrey (uncredited)

Frits

major (uncredited)

Иван Гургенович

constructor

Sergei

member of a foreign delegation

Kobylyanskiy (as Ya. Yanakiyev)

Slava Advokatov

French ambassador (uncredited)