Blackie is the natural suspect when an expensive pearl necklace is stolen while he is supposed to be guarding it.
Horatio 'Boston Blackie' Black
Doris Howell
Insp. William R. Farraday
Joan Howell (as Patricia White)
The Runt
Sgt. Matthews
Igor Borio
Margie O'Reilly, alias Sandra Doray
Mason Carter
Claire Carter
Helen Kenyon
Party guest
Director
Producer
Editor
Screenplay
Story
Characters
Art Direction
Set Decoration
Music Director
Director of Photography
