The Riddle of the Sphinx poster
Where to stream

The Riddle of the Sphinx

7.01921MovieAdventure

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.

DirectorAdolf Gärtner
WritersWilli Wolff·Artúr Somlay
ProducerWilli Wolff

Where to watch

Not streaming yet
Check back soon

The Riddle of the Sphinx was released on October 6, 1921 but we couldn't find it on any streaming service yet. Rights can change — try again later.

Get the app to be notified

Cast · Directed by Adolf Gärtner

EREllen Richter
Ellen Richter
Juanita di Conchitas
EKErich Kaiser-Titz
Erich Kaiser-Titz
Amru
GJGeorg John
Georg John
Mummy
HPHermann Picha
Hermann Picha
Marquis d'Yssé
CG
Carl Günther
Dr. Percy Grey
APAlbert Patry
Albert Patry
Prof. Grey, British Museum
KR
Kurt Rottenburg
Dr. Edward Pattison
GB
Georg Baselt
Don Martunez de la Blanca
HB
Henry Bender
Empfangschef
IBIrmgard Bern
Irmgard Bern
Daisy Pattison
CG
Carl Geppert
Baron Kollwitz
KHKároly Huszár
Károly Huszár
Fürst Popoff

More from Ellen Richter · Lead actress

Katharina Karaschkin
Katharina Karaschkin
1917 · 10.0
Das Skelett
Das Skelett
1916 · 7.0
Die Fürstin Woronzoff
Die Fürstin Woronzoff
1920 · 9.0
Die Dame mit dem Tigerfell
Die Dame mit dem Tigerfell
1927 · 9.0
Flight Around the World
Flight Around the World
1925 · 6.3
Life Upon Life
Life Upon Life
1916
Strafsache van Geldern
Strafsache van Geldern
1932 · 5.8
Der Ring des Schicksals
Der Ring des Schicksals
1916 · 9.0
Das Gesetz der Mine
Das Gesetz der Mine
1915 · 10.0
The adventure in Tunisia
The adventure in Tunisia
1931 · 8.0
See all fromEllen Richter

More from Erich Kaiser-Titz · Co-star actor

Seltsame Köpfe
Seltsame Köpfe
1916 · 8.0
People Among Us
People Among Us
1926 · 7.3
Hölle der Liebe
Hölle der Liebe
1926 · 10.0
Fürst Seppl
Fürst Seppl
1915
Clash of the Titans
Clash of the Titans
1916 · 7.0
Tales of Hoffmann
Tales of Hoffmann
1916 · 5.2
Höhenfieber
Höhenfieber
1925
Malva
Malva
1924 · 9.0
Der Erbe von "Het Steen"
Der Erbe von "Het Steen"
1917 · 7.0
Erniedrigte und Beleidigte
Erniedrigte und Beleidigte
1922
See all fromErich Kaiser-Titz

More from Adolf Gärtner · Director

Die Zirkusprinzessin
Die Zirkusprinzessin
1925 · 8.0
Du sollst keine anderen Götter haben
Du sollst keine anderen Götter haben
1917 · 9.0
Die Fürstin Woronzoff
Die Fürstin Woronzoff
1920 · 9.0
Der Brieföffner
Der Brieföffner
1916 · 8.0
The Minister's Daughter
The Minister's Daughter
1913
Der eiserne Wille
Der eiserne Wille
1917 · 10.0
Tragödie eines Streiks
Tragödie eines Streiks
1911 · 8.0
Der letzte Zeuge
Der letzte Zeuge
1919 · 10.0
Der gestreifte Domino
Der gestreifte Domino
1915 · 9.0
Herr und Diener
Herr und Diener
1917 · 9.0
See all fromAdolf Gärtner

More like this

The Impossible Voyage
The Impossible Voyage
1904 · 7.3
The Three Musketeers
The Three Musketeers
1921 · 6.4
One Small Step
One Small Step
2018 · 7.6
Sweet Cocoon
Sweet Cocoon
2014 · 6.0
Ali Baba and the Forty Thieves
Ali Baba and the Forty Thieves
1907 · 6.0
Home Sweet Home
Home Sweet Home
2013 · 7.5
Jack Hunter and the Quest for Akhenaten's Tomb
Jack Hunter and the Quest for Akhenaten's Tomb
2008 · 6.2
Jack Hunter and the Lost Treasure of Ugarit
Jack Hunter and the Lost Treasure of Ugarit
2010 · 6.4
Seized
Seized
2020 · 6.7
Sahara
Sahara
1983 · 5.9
Mythica: A Quest for Heroes
Mythica: A Quest for Heroes
2014 · 5.9
Romancing the Stone
Romancing the Stone
1984 · 6.8

The Riddle of the Sphinx — streaming FAQ

Which OTT platform streams The Riddle of the Sphinx?

The Riddle of the Sphinx isn't streaming anywhere in United Kingdom yet.

Is The Riddle of the Sphinx on Netflix?

No, The Riddle of the Sphinx is not on Netflix in United Kingdom as of September 2026.

Is The Riddle of the Sphinx on Amazon Prime Video?

No, The Riddle of the Sphinx isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch The Riddle of the Sphinx for free?

The Riddle of the Sphinx isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Riddle of the Sphinx?

The Riddle of the Sphinx hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 24, 1921. This is a prediction, not a confirmed date.