Character
The Purple Gang "Slug" Martin, Marty Watson, Ranny Holton, Professor Claude, Pugs Orton, Professor Clyde, Caesar Sykes, "Safety" Stone, Target Kid, Mr. Hardy, Cal Dawson, Cal Clayton, "Squinty" Ames, Superbaby, Jumbo Jones (Cameo), Petunia, King (Dog), Mickey Mouse Todd, Joe King, Bozo Bane, Guardiac (Robot), Danny the Dino, Leonard "Lefty" Lake, Moose Morton, Prince Rex of Dalmania, Cal Crane, Lefty Orton (in Flashback), Doc Brane, Superman (Cameo), Agatha Ames, Lex Luthor (in Flashback), "Deuce" Dorgan, Professor William March, Alphonse Baker, "Blitz" Brown, Bart Gordon, Bob Dunn, Swami Rama ("Con" Conners), Chief Whiteus, "Labs" Logan, Signal Watch, Henry Bascom/Mr. Bartley, Jimmy Olsen (Also As Sherlock Holmes Junior), Freddy the Office Boy, "Gunner" Martin, Kitty Devoe, Prime Minister Zormio, Lulu Lyons (Introduction), Cal Trent (Custodian of the Superboy Museum), Thor, Mr. Danning (Circus Owner), Sergeant Clancy, The Silk Gang, Unnamed Messenger, Blacky Blake, Flying Newsroom, Joel Todd, "Con" Conners, Jumbo Jones, Samson, Barney Bolton, Dr. Saxon, The Sheriff, Jumbo, Unnamed Doctor, Tad King, Trikko, "Sly" Saunders, Joe Cobb (Mob Chief), Perry White, Professor Peter Shaw, Tommy Blair, Pyramid Petrus, Princess Teena, Professor Todd, Andrew Carlton, Sir Hocus, Ted Blaine, "Slippery" Sam, Charles Gordon, Superboy, Mr. Barton, Jimmy Olsen, Star Flash (Horse), Anthony "Slick" Slade, Officer Clancy, Otho of Doraynia, Prankster (in Flashback), "Angles" Archibald, Toyman (in Flashback), Gorilla Gordon, Dan Conrad, "Doc" Archer, Jimmy Olsen (Robot), Barton "Blacky" Black, Superboy (in Flashback), "Ghost" Gordon, Paul Orton, "Faker" Floyd, Khim-Zott of Mars, Rollo (Dog), Cyrus Colby, Perry White (Cameo), Loot Logan, Sing Sing Sykes, Professor Potter, Professor Boone, Dick Crane, Dictator Kobla, Tom Barton, Roger Craig, Mr. Todd, Hal Otis, Lois Lane, Jumbo (Pilot of the Flying Newsroom), Chief Perri, Superman Robot, Killer Burke, Sahib Sik, Otis Burton, Don Dirkson, Tommy Todd, Hercules, Gunsmoke Gus, John Cyrus, Superman (Clark Kent), Lana Lang, Henshaw, Peter Crane, "Sneaky" Storch, Jimmy Olsen (Also As Superboy), Two Unnamed Mobsters, Sparks Sloane, Betty Hart, Lois Lane (Cameo), Jimmy Olsen (Also As Wonder Lad), Avery Squinch, Professor Xerxes (Jon Smyth), Riddle Reporter (Robot), Paul Meredith, "Slick" Dugan, Mrs. Crane, "Red" Redding