Immediately after the October revolution, in Russia, stir unrest and propaganda against the Government of the United States. Serge Oumansky is a Communist agent trying to organize terrorist actions against the same United States.
| Actor | Role |
|---|---|
 Marguerite De La MotteSonia Borisoff / Margaret Smith | Sonia Borisoff / Margaret Smith |
 John BowersDick Foster | Dick Foster |
 J. Barney SherryHenry Foster | Henry Foster |
 Joseph StrikerLarry Smith | Larry Smith |
 Bela LugosiSerge Romonsky | Serge Romonsky |
| MMarie SchaeferAunt Mary (as Marie Shaffer) | Aunt Mary (as Marie Shaffer) |
 Alyce MillsMaid | Maid |