A crazed scientist invents a serum that induces a catatonic state in anyone who gets the injection. He uses the serum to paralyze his enemies, in order to bury them alive.
| Actor | Role |
|---|---|
 Erich von StroheimDr. Andre Crespi | Dr. Andre Crespi |
 Dwight FryeDr. Thomas | Dr. Thomas |
 Paul GuilfoyleDr. John Arnold | Dr. John Arnold |
| GGeraldine KayNurse Rexford | Nurse Rexford |
| HHarriet RussellEstelle Gorham Ross | Estelle Gorham Ross |
 Jean BrooksNurse Gordon (as Jeanne Kelly) | Nurse Gordon (as Jeanne Kelly) |
| JJohn BohnDr. Stephen Ross | Dr. Stephen Ross |
| PPatsy BerlinJeanne Ross, child | Jeanne Ross, child |
 Dean RaymondThe Minister | The Minister |
| JJoe VerdiMr. D'Angelo | Mr. D'Angelo |
| LLaura BullivantNot listed | Not listed |