Blackie helps the police rescue hostage from an escaped maniac on a killing spree.
| Actor | Role |
|---|---|
 Chester MorrisHoratio 'Boston Blackie' Black | Horatio 'Boston Blackie' Black |
 Nina FochSally Brown | Sally Brown |
 Steve CochranJimmy Casey | Jimmy Casey |
 Richard LaneInspector Farraday | Inspector Farraday |
 George E. StoneThe Runt | The Runt |
 Frank SullyMathews | Mathews |
 Iris AdrianMartha | Martha |
 Harry HaydenArthur Manleder | Arthur Manleder |
 Joe DevlinSteve Caveroni | Steve Caveroni |
| DDan StowellHotel clerk | Hotel clerk |
| PPhil Van ZandtDr. Fagle | Dr. Fagle |
 Adele RobertsPatricia Powers | Patricia Powers |