Георгий Спранце

Nils Unger, communist from Hamburg

Ксана Западная

Suzie, Unger's wife

Костянтин Гарін

Franz Buk, traitor

Иван Замычковский

Elsner, worker

Ya. Reinich

Elfrida

Леонид Чембарский

Willie, driver

Александр Чуверов

Investigator

Владимир Лисовский

Police president

Oleksandr Malsky

Pfeiffer, detective

Владимир Ланской

Madman

Матвей Ляров

Meiss, social-democrat

T. Ruzhitskiy

Judge

Анастасій Симонов

Officer (uncredited)

A. Belov

Burgomaster

K. Radmin

Head of Senate

Komarova

Louise, prostitute

Mikhail Smolenskiy

Oksen, doctor

V. Kritskiy

Barfus

Mikola Nademski

Detective

Maria Romanovskaya

Frau Dart

Leonid Barbe

Social-democrat

Osyp Merlatti

Lieutenant Lange