The mastermind behind a ubiquitous spy operation learns of a dangerous romance between a Russian lady in his employ and a dashing agent from the government's secret service.
| Actor | Role |
|---|---|
 Rudolf Klein-RoggeHaghi | Haghi |
 Gerda MaurusSonya Baranilkowa | Sonya Baranilkowa |
 Lien DeyersKitty | Kitty |
 Louis RalphHans Morrier | Hans Morrier |
 Willy FritschNo. 326 | No. 326 |
 Paul HörbigerFranz, Chauffeur von "No. 326" | Franz, Chauffeur von "No. 326" |
 Fritz RaspCol. Jellusic - Ivan Stepanov | Col. Jellusic - Ivan Stepanov |
 Craighall SherryBurton Jason / Miles Jason | Burton Jason / Miles Jason |
 Hertha von WaltherLady Leslane | Lady Leslane |
 Lupu PickDr. Masimoto | Dr. Masimoto |
 Julius FalkensteinHotelmanager (uncredited) | Hotelmanager (uncredited) |
 Heinrich GothoPoliceman at the end (uncredited) | Policeman at the end (uncredited) |
 Georg JohnZugführer (uncredited) | Zugführer (uncredited) |
 Paul RehkopfStrolch (uncredited) | Strolch (uncredited) |
 Hermann Vallentin(uncredited) | (uncredited) |
| GGrete Berger(uncredited) | (uncredited) |