An edited version of the 4½ hour serial about a mad scientist who attempts to rule the world by creating various elaborate inventions.
Dr. Alex Zorka
Jean Drew
Capt. Bob West
Dr. Fred Mallory
Lt. Jim Daley
Monk
Jarvis
Ann Zorka
Rankin
Perkins
Jarvis Goon
West's Boss
Harbormaster
Mac
The Robot
Parker (uncredited)
Road Crew Foreman (uncredited)
Car-Crash Cop (uncredited)
Director
Associate Producer
Editor
Screenplay
Art Direction
Original Story
Director of Photography