One Mysterious Night
Horatio 'Boston Blackie' Black
Dorothy Anderson
Paul Martens
Inspector Farraday
The Runt
Matt Healy
George Daley
Eileen Daley (Uncredited)
Jumbo Madigan (Uncredited)
Traffic Cop (Uncredited)
Miss Wilkinson (Uncredited)
Woman in Daley's Office (Uncredited)
Policeman (Uncredited)
Boy (Uncredited)
Margaret Dean (Uncredited)
Exhibit Attendee (Uncredited)
Mother (Uncredited)
Frank (Uncredited)
Reporter (Uncredited)
Arthur Manleder (Uncredited)
Police Commissioner Howard (Uncredited)
News Photographer (Uncredited)
Detective Sergeant Matthews (Uncredited)
Newsstand Clerk (Uncredited)
Police Guard (Uncredited)
Police Sergeant McNulty (Uncredited)
Police Sergeant (Uncredited)
Austin (Uncredited)
Man in Office with Matthews (Uncredited)
