Cast
- José Mojica as Karol
- Rosita Moreno as Princess Maria Luisa
- Julio Villarreal as El Gran Duque Alejandro
- Romualdo Tirado as Remetz
- Ada Lozano as Renée
- Antonio Vidal as Primer ministro
- Martin Garralaga as Gregor
- Francisco Moreno as Cabo
Crew
- Frank R. Strayer · Director
- Paul Perez · Writer
- Llewellyn Hughes · Writer
- José López Rubio · Writer
- John Stone · Producer
- Robert H. Planck · Cinematographer