| Unknown Opponent | |
| Director: | Endre Rodríguez |
| Producer: | János Bingert Mihály Vörösmarty |
| Starring: | Erzsi Simor Andor Ajtay Karola Zala |
| Editing: | László Katonka |
| Studio: | Palatinus Filmterjesztõ Vállalat |
| Runtime: | 80 minutes |
| Country: | Hungary |
| Language: | Hungarian |
Unknown Opponent (Hungarian: Ismeretlen ellenfél) is a 1940 Hungarian spy thriller film directed by Endre Rodríguez and starring Erzsi Simor, Andor Ajtay and Karola Zala.[1] [2] It was shot at the Hunnia Studios in Budapest. The film's sets were designed by the art director Miklós Velits.
A foreign power interested in a new Hungarian prototype aircraft recruit Adrienne to steal the plans, but she falls for László the engineer behind the new design.