Allison Long is acquitted on charges of poisoning her father but then her benefactor is poisoned. Reporter Duffy Giles has faith in her innocence.
| Actor | Role |
|---|---|
 Frances DeeAllison Lang | Allison Lang |
 Brian DonlevyDuffy Giles | Duffy Giles |
 Charles ButterworthFelix | Felix |
 Helen WestleyMrs. Hargraves | Mrs. Hargraves |
 Henry StephensonProfessor Jerome Hargraves | Professor Jerome Hargraves |
 Sara HadenHenrietta Hargraves | Henrietta Hargraves |
 Etienne GirardotDr. Cotton | Dr. Cotton |
 Gavin MuirDr. Barth | Dr. Barth |
 Paul StantonDistrict Attorney | District Attorney |
 Julius TannenCity Editor | City Editor |
 Nigel De BrulierDr. Hall | Dr. Hall |
 Hilda VaughnBertha | Bertha |
 Philip SleemanCarl | Carl |
| WWilliam IngersollJudge | Judge |
 Paul McVeyCoroner | Coroner |
| BBruce MitchellPolice Sergeant | Police Sergeant |
 John CarradineSanatorium Inmate (voice) (uncredited) | Sanatorium Inmate (voice) (uncredited) |
 Don RowanJuror (uncredited) | Juror (uncredited) |
 Harry StrangCourt Attendant (uncredited) | Court Attendant (uncredited) |
 Andrew TombesJury Foreman (uncredited) | Jury Foreman (uncredited) |