Blackie runs into a woman he formally loved who now is married with a kid. When her husband gets out of prison he's killed in Blackie's apartment and of course the police thing Blackie pulled the trigger. Blackie must set out to prove his innocence as well as capture the real killers.
Horatio 'Boston Blackie' Black / Cyrus Peyton
Geraldine 'Gerry' Peyton
Inspector Farraday
Sgt. Matthews
The Runt
Mamie Kirwin
Attorney Harcourt (uncredited)
Hack Hagen (uncredited)
Smiley Slade (uncredited)
Policeman (uncredited)
Coroner (uncredited)
Tenant in Hallway (uncredited)