The Riddle of the Sphinx (German: Das Rätsel der Sphinx) is a 1921 German silent adventure film directed by Adolf Gärtner and starring Ellen Richter, Erich Kaiser-Titz and Karl Günther.
The film's sets were designed by the art director Hans Dreier.
Cast
Ellen Richter as Juanita di Conchitas
Erich Kaiser-Titz as Amru, an Egyptian
Karl Günther as Dr. Percy Grey
Albert Patry as Prof. Grey, British Museum
Georg John as Mummy
Kurt Rottenburg as Dr. Edward Pattison
Georg Baselt as Don Martunez de la Blanca
Henry Bender as Empfangschef
Irmgard Bern as Daisy Pattison
Carl Geppert as Baron Kollwitz
Károly Huszár as Fürst Popoff
Max Kronert as Mehemed
Maria Lux as Miss Peach
Hermann Picha as Marquis d'Yssé