Trapped by Boston Blackie

Blackie is the natural suspect when an expensive pearl necklace is stolen while he is supposed to be guarding it.

• Maurice TombragelScreenplay
• Seymour FriedmanDirector

• Chester MorrisHoratio 'Boston Blackie' Black
• June VincentDoris Howell
• Richard LaneInsp. William R. Farraday
• Patricia BarryJoan Howell (as Patricia White)
• George E. StoneThe Runt
• Frank SullySgt. Matthews
• Edward NorrisIgor Borio
• Fay BakerMargie O'Reilly, alias Sandra Doray
• William ForrestMason Carter
• Sarah SelbyClaire Carter
• Mary CurrierHelen Kenyon
• Bess FlowersParty guest