The Riddle of the Sphinx
Plot: In Cairo, a quest for a coveted antiquity draws the heroine into a clandestine cult devoted to Osiris. What begins as intrigue turns perilous—abductions, conspiracies, and night-time chases through temples and tombs—until she fights to escape the sect’s grip

Ellen Richter
Erich Kaiser-Titz
Georg John
Hermann Picha
Albert Patry
Irmgard Bern
Károly Huszár
Artúr Somlay