 | Boston Blackie |
 | Anne Parks Duncan |
 | Insp. Farraday |
 | Sandra |
 | The Runt |
 | Matthews |
 | Dr. Nejino |
 | Rex Duncan |
 | Eddie Alexander, Chauffeur |
 | Dr. Purcell Nash |
 | Jumbo |
 | Shill |
 | Policeman |
 | Dinny McGonagle |
 | Police Sergeant |
 | Cop #2 Outside Hospital Room |
 | 2nd Police Sergeant |
Cop #1 | |
 | Officer Kowalski |
 | Elderly Cop |
 | Runt's Police Escort |
 | Police Lieutenant |