Head of the Post Office

Kapustin

Theorist Nikolay

(voice)

Гавриил Федосеевич Попков

Phil

Буренин

Syroyezhkin

Count de Berlaymont

translator in the movie

Larrey (uncredited)

Frits

Doctor

Иван Гургенович

constructor

Sergei

member of a foreign delegation

Kobylyanskiy (as Ya. Yanakiyev)

Slava Advokatov

French ambassador (uncredited)