Dick Tracy's foe for this serial is the crime boss and Masked Mystery Villain The Spider/The Lame One and his Spider Ring. In the process of various crimes, including using his Flying wing and sound weapon to destroy the Bay Bridge in San Francisco and stealing an experimental "Speed Plane", the Spider captures Dick Tracy's brother, Gordon. The Spider's minion, Dr. Moloch, performs a brain operation on Gordon Tracy to turn him evil, making him secretly part of the Spider Ring and so turning brother against brother.
Cast
Ralph Byrd
Dick Tracy
Kay Hughes
Gwen Andrews
Smiley Burnette
Mike McGurk
Lee Van Atta
Junior
John Picorri
Moloch
Carleton Young
Gordon Tracy, after
Fred Hamilton
Steve Lockwood
Francis X. Bushman
Chief Clive Anderson
John Dilson
Ellery Brewster [Chs. 1, 12]
Richard Beach
Gordon Tracy, before [Chs. 1, 12]
Byron Foulger
Korvitch [Chs. 1, 12]
Roscoe Gerald
Power Co. Watchman-Thug (uncredited)
Crew
Alan James
Director
Ray Taylor
Director
Barry Shipman
Screenplay
Winston Miller
Screenplay
Morgan Cox
Story
George Morgan
Story
Helene Turner
Editor
Edward Todd
Editor
William Witney
Editor
Edgar Lyons
Director of Photography
William Nobles
Director of Photography
Nat Levine
Producer
J. Laurence Wickland
Associate Producer
Terry Kellum
Sound Engineer
Alberto Colombo
Original Music Composer
Chester Gould
Characters
Murray Seldeen
Supervising Editor
