as Horatio 'Boston Blackie' Black

as Dorothy Anderson

as Paul Martens

as Inspector Farraday

as The Runt

as Matt Healy

as George Daley

as Eileen Daley (Uncredited)

as Jumbo Madigan (Uncredited)

as Traffic Cop (Uncredited)

as Miss Wilkinson (Uncredited)

as Woman in Daley's Office (Uncredited)

as Policeman (Uncredited)

as Boy (Uncredited)

as Margaret Dean (Uncredited)

as Exhibit Attendee (Uncredited)

as Mother (Uncredited)

as Frank (Uncredited)

as Reporter (Uncredited)

as Arthur Manleder (Uncredited)

as Reporter (Uncredited)

as Policeman (Uncredited)

as Reporter (Uncredited)

as Police Commissioner Howard (Uncredited)

as News Photographer (Uncredited)

as Detective Sergeant Matthews (Uncredited)

as Boy (Uncredited)

as Newsstand Clerk (Uncredited)

as Police Guard (Uncredited)

as Policeman (Uncredited)

as Police Sergeant McNulty (Uncredited)

as Police Sergeant (Uncredited)

as Austin (Uncredited)

as Man in Office with Matthews (Uncredited)

as Mother (Uncredited)