When a murder occurs on an ocean liner docked in New York, the trail leads to Coney Island and a spy ring.
as Boston Blackie
as Cecelia Bradley
as Inspector Faraday
as Marilyn Howard
as Monk
as Georgie
as Mechanical Man
as The Runt
as Police Captain (uncredited)
as Martin Vestrick (uncredited)
as Giant (uncredited)
as Blind Man (uncredited)
