Boston Blackie
Bert Lytell
Mary
Rhea Mitchell
Mrs. Wilmerding
Rosemary Theby
'Little Pal' Martin Wilmerding Jr.
Joey Jacobs
Donald Lavalle
Howard Davies
Jackson - The Butler
John Burton
Martin Wilmerding
Frank Whitson
Director
E. Mason Hopper
Story
Jack Boyle
Adaptation
Albert S. Le Vino