A French impresario hires Jan Kowalski, a Polish singer awaiting an opportunity, to be the bodyguard to Martha Vassary, a famous Hungarian musical star whose admirers are being mysteriously threatened and attacked. Jean accepts al...
Directed byJean Boyer
Written byGérard Carlier, Herbert Victor, Serge Veber
CountryFrance
Runtime95 min
On screen
Mártha Eggerth
Jan Kiepura
Lucien Baroux