In this exciting adventure based on the second Fu-Manchu novel, intrepid sleuths Nayland Smith and Petrie investigate a haunted house, but get more of a fright than they expected. Caught by the evil Dr Fu-Manchu, Nayland Smith faces a plague of ravenous Cantonese rats - a torture known as 'The Six Gates of Joyful Wisdom'. Will Petrie end his agony, with the razor-sharp ‘Friend’s Sword’?
| 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 |
| PPat RoyaleAziz | Aziz |