Currently available on 1 streaming service.

Superman - watch online: streaming, buy or rent

Currently you are able to watch "Superman" streaming on Plex for free.

Cast

Bud Collyer
Clark Kent / Superman (voice) (uncredited)
Joan Alexander
Lois Lane (voice) (uncredited)
Jack Mercer
The Mad Scientist (voice) (uncredited)
Julian Noa
Perry White (voice) (uncredited)
Jackson Beck
Narrator (voice) (uncredited)