Main Cast
Joan Alexander
Secret Agent (voice) (uncredited)
Jackson Beck
Narrator / Police Chief / Saboteur (voice) (uncredited)
Bud Collyer
Clark Kent / Superman / Saboteur (voice) (uncredited)
Jack Mercer
Perry White / Saboteur (voice) (uncredited)
Julian Noa
Perry White / Police Officer / Saboteur (voice) (uncredited)
Sam Parker
(voice) (uncredited)