Jemm, Son of Saturn; Senator Frank Berkley; Mrs. Frank Berkley; Synn (White Saturnian, Cameo); Cladius Tull; Luther Mannkin (Cameo); Bouncer [Bruno Fairchild] (Cameo); Superman [Clark Kent]; Jogarr (Red Saturnian); Juri (Red Saturnian, Flashback Cameo); Jyra (Red Saturnian, Flashback Cameo); King Jaxx (Red Saturnian, Flashback); Synnar (White Saturnian, Flashback); Borah (Red Saturnian, Flashback); Jacobs (chauffeur); Simons (Tull's Henchman)
Synopsis
Jemm returns to Earth with Luther and Bouncer. Jogarr relates to Superman the tale of his life on Saturn and how he brought the last of the Red Saturnians to live on a moon of Jupiter.