Discover
George Vraca
professor Dan Olteanu
Irina Răchițeanu
Anca Olteanu, Dan's wife
Jules Cazaban
colonel Jack Paleologu
Fory Etterle
engineer Tasca
Ion Lucian
Virgil Sachelarie, professor Olteanu's assistant
Mircea Constantinescu
professor Cristea
Ion Henter
foreign agent Spiridon Dumitrescu
Directing
Dinu Negreanu
Director
Directing
Dinu Negreanu
Director