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
as Mike Warner
Nelly Benedetti
as Nina / La princesse Soledad
Daniel Ceccaldi
as Stephan
Laura Valenzuela
as Zigeunerprinzessin
Luis Dávila
as Boris Gourdine
Dieter Kollesch
as
Alfredo Mayo
as
George Rigaud
as
José María Prada
as
Enriqueta Carballeira
as
Milo Quesada
as
María Luisa San José
as