Horatio 'Boston Blackie' Black
Anne Parks Duncan
Inspector John Farraday
Sandra
The Runt
Detective Sergeant Matthews
Dr. Nejino
Rex Duncan
Eddie Alexander, Chauffeur
Dr. Purcell Nash
'Jumbo' Madigan - Pawnbroker
Screenplay
Story
Characters
Director
Screenplay
Art Direction
Set Decoration
Director of Photography
Producer
Music Director
Editor
Additional Dialogue
