Character
Mr. Warren, Vernon Hale (Villain, Introduction), Jake Massey Introduction, Metalo (Villain, Introduction, Unnamed Scientist-Inventor), Lex Luthor (Cameo) (Villain), Jimmy Olsen, Sgt. Casey, Watkins Introduction, Stan Doborak (Introduction), Carlyle Allerton (Lex Luthor) (Villain), Charlie Grayson (Villain, Introduction), Superman (Clark Kent), Tom Nelson (Villain, Introduction), Jimmy Olsen (Cameo), Slats Morgan (Villain, Introduction), The Puzzler (Villain, Introduction), The Top (Jefferson Smith) (Villain, Introduction), Ultra-Humanite (Cameo, Villain), Sid Speed (Villain), Stan Emerson, Mabel Dawson (Villain), George Brant, The Emperor of America (Villain, Introduction), The Talon (Albert Caldwell) (Introduction, Villain), Mr. Golden (Shop Keeper), Eustace Watson (Cameo), Abou Sabut (Villain, Introduction, Death), Nat Folsom, Mike Caputo (Villain), The Prankster (Villain, Introduction), Villain, Perry White, Mike Mosby (Villain), Lois Lane, Mister Sinister (Villain, Introduction), Professor Derman (Death), Mrs. Brant
