Our hero Dr Petrie is caught by evil Fu-Manchu and imprisoned near the British Museum, where he risks a daring escape, high above the London streets.
| Actor | Role |
|---|---|
| HH. Agar LyonsDr. Fu Manchu | Dr. Fu Manchu |
 Fred PaulNayland Smith | Nayland Smith |
| JJoan ClarksonKaramaneh | Karamaneh |
| HHumberston WrightDr. Petrie | Dr. Petrie |
 Frank WilsonInspector Weymouth | Inspector Weymouth |
| EE. Lewis WallerSalaman | Salaman |