A famous American secret service agent tries to rescue a German 17-year-old prodigy scientist who has been captured by the Russians.
Eddie Constantine
Mike Warner
Nelly Benedetti
Nina / La princesse Soledad
Daniel Ceccaldi
Stephan
Laura Valenzuela
Zigeunerprinzessin
Luis Dávila
Boris Gourdine
Dieter Kollesch
Alfredo Mayo
George Rigaud
José María Prada
Enriqueta Carballeira