The Mechanical Monsters
Superman battles a criminal mastermind and his robot army.
Joe ShusterCharacters
Jerry SiegelCharacters
Dave FleischerDirector
Seymour KneitelStory
Izzy SparberStory
Top Billed Cast
Bud Collyer
Clark Kent / Superman / Scientist (voice) (uncredited)
Joan Alexander
Lois Lane (voice) (uncredited)
Jackson Beck
Narrator (voice) (uncredited)
