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.
as Horatio 'Boston Blackie' Black / Cyrus Peyton
as Geraldine 'Gerry' Peyton
as Inspector Farraday
as Sgt. Matthews
as The Runt
as Mamie Kirwin
as Attorney Harcourt (uncredited)
as Hack Hagen (uncredited)
as Smiley Slade (uncredited)
as Policeman (uncredited)
as Coroner (uncredited)
as Tenant in Hallway (uncredited)