A once-promising doctor begins a downward spiral, finding himself in opium dens, a carnival freak show, and drugs parties.
| Actor | Role |
|---|---|
 Harry CordingDr. William G. Davis | Dr. William G. Davis |
| JJoan DixMrs. Davies | Mrs. Davies |
 Patricia FarleyMae | Mae |
| JJean LacyLena | Lena |
| JJ. Stuart Blackton Jr.Gee Wu | Gee Wu |
 Paul PanzerCashier | Cashier |
| MMiami AlvarezDrug addict | Drug addict |
| CCharles BennettHand wrestler | Hand wrestler |
 Josef SwickardFederal narcotics agent | Federal narcotics agent |
 Herman HackNot listed | Not listed |
| CCelia McCannNot listed | Not listed |
 Fred ParkerNot listed | Not listed |
 Philip SleemanNot listed | Not listed |
| HHildegarde StadieNot listed | Not listed |
 Blackie WhitefordNot listed | Not listed |