Chester Morris
Horatio 'Boston Blackie' Black / Cyrus Peyton
Lynn Merrick
Geraldine 'Gerry' Peyton
Richard Lane
Inspector Farraday
Frank Sully
Sgt. Matthews
George E. Stone
The Runt
Claire Carleton
Mamie Kirwin
Russell Hicks
Attorney Harcourt (uncredited)
Charles Lane
Hack Hagen (uncredited)
Erik Rolf
Smiley Slade (uncredited)
John Tyrrell
Policeman (uncredited)
Emmett Vogan
Coroner (uncredited)
Wanda Perry
Tenant in Hallway (uncredited)
